VIMRX PHARMACEUTICALS INC
10-K, 1997-03-31
PHARMACEUTICAL PREPARATIONS
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                             ----------------------

                                    FORM 10-K

                [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1996

                                       OR

              [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                        For the transition period from to

                           Commission File No. 0-19153

                           VIMRx PHARMACEUTICALS INC.
             (Exact name of Registrant as specified in its charter)

                               Delaware 06-1192468
                (State or other jurisdiction of (I.R.S. Employer
               incorporation or organization) Identification No.)

                2751 Centerville Road, Wilmington, Delaware 19808
               (Address of principal executive offices) (Zip Code)

                  Registrant's       telephone number, including area code:

                                 (302) 998-1734

           Securities registered pursuant to Section 12(b) of the Act:

                                      None

           Securities registered pursuant to Section 12(g) of the Act:

                          Common Stock, $.001 par value


         Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
Registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days.
                                    Yes X No

         Indicate by check mark if disclosure of delinquent  filers  pursuant to
Item 405 of Regulation S-K is not contained  herein,  and will not be contained,
to the best of  Registrant's  knowledge,  in  definitive  proxy  or  information
statements  incorporated  by  reference  in Part  III of this  Form  10-K or any
amendment to this Form 10-K. [ ]

         The aggregate market value of the voting stock (Common Stock, $.001 par
value) held by  non-affiliates of the Registrant was approximately $ 143,019,702
on March 17,  1997 based on the closing  sale price of the Common  Stock on such
date.

         The aggregate number of outstanding  shares of Common Stock,  $.001 par
value, of Registrant was 54,429,937 on March 17, 1997.

                      Documents incorporated by reference:

                                      None



<PAGE>




                                     PART I

Item 1.   Business.


General


         VIMRx  Pharmaceuticals Inc. ("VIMRx" or the "Company") is a development
stage company focused on identifying,  evaluating, acquiring and commercializing
scientific  technologies  to be  developed  by the Company in  partnership  with
others.  The Company is engaged in developing  therapeutic and related  products
from synthetic  hypericin  principally for the treatment of viral and retroviral
diseases.  The  Company  also owns  approximately  68% of the  capital  stock of
Innovir Laboratories,  Inc. (Nasdaq:  INVR) ("Innovir") which, together with its
subsidiaries,  is engaged in the research and  development of Oligozymes,  a new
class of  biopharmaceutical  agents for the  treatment  of a wide array of human
diseases.  In order to diversify its potential  product line and  complement the
Company's recent acquisition of a controlling  interest in Innovir,  the Company
has entered into a research agreement with Columbia University, and continues to
seek emerging  innovative  technologies  to diversify its portfolio of potential
products.


Hypericin

         General

         The Company's principal product, VIMRxyn(R), is comprised of chemically
synthesized  hypericin and, in laboratory  tests, has inhibited the infection of
normal  cells by targeted  viruses.  Hypericin is an aromatic  polycyclic  dione
found in the stem and petals of the common  Saint John's wort, a plant which has
been used as a folk  remedy  since the Middle  Ages.  Hypericin  plant  extracts
continue  to be used as lay  treatments  for various  disorders.  The Company is
investigating  utilizing  VIMRxyn  as  a  treatment  for  viral  and  retroviral
diseases,  including the human immune  deficiency  virus  ("HIV"),  which is the
retrovirus  responsible for Acquired Immune Deficiency  Syndrome  ("AIDS"),  and
also is  investigating  utilizing  VIMRxyn as a treatment  for hepatitis C, as a
therapeutic for brain cancer  (glioma),  and as a means of inactivating  HIV and
other lipid-enveloped  viruses in blood collected for transfusions.  The Company
has a  worldwide  exclusive  license  to  commercialize  and  exploit  synthetic
hypericin  compounds for enumerated  purposes  acquired from New York University
and Yeda Research and Development Co., Ltd., an Israeli  corporation  engaged in
the  commercial  exploitation  of  scientific  developments  by  scientists at a
Weizmann  Institute  of  Science  in  Israel  (New  York  University  and  YEDA,
collectively, the "Hypericin Licensors").

         HIV/AIDS Research

         The  Company  has not  established  the  efficacy  of  VIMRxyn in human
clinical  trials for the treatment of AIDS. In 1994, the Company  completed data
analysis of Phase  I/Phase II human  clinical  trials  sponsored by the National
Institutes  of Health  to  determine  the  maximum  tolerated  dose and any side
effects of VIMRxyn as a treatment for AIDS. From the data collected, the results
showed a favorable  pharmacological profile with no major organ or hematological
toxicity,  and with skin  photosensitivity  as the  primary  dose-limiting  side
effect. All of the patients enrolled in the trials experienced varying levels of
skin  photosensitivity  and several experienced  non-life threatening acute skin
photosensitivity which required medical treatment.

                                       2
<PAGE>


         Between  January  and  September  1996,   human  clinical  trials  were
conducted  in  Thailand  by a Dutch  company  retained  by the  Company  under a
protocol  submitted to the U.S. Food and Drug  Administration  (the "FDA") under
the  Company's  existing  investigational  new drug  application  to  identify a
potentially   efficacious   lower  dose  of   VIMRxyn,   having   minimal   skin
photosensitivity,   as  a  treatment  for  AIDS.  The  dosage  administered  was
well-tolerated  by the patients and did not result in untoward  toxicity or skin
photosensitivity  and, based on the measurement criteria used, produced evidence
of anti-HIV activity.  The Company is currently  conducting in vitro interaction
studies  to  determine  how  VIMRxyn  may be  used  in  combination  with  other
anti-retroviral agents.

         HIV Inactivation Blood Studies

         In 1996,  VIMRx  continued  to explore  the  anti-viral  properties  of
VIMRxyn  with  respect  to  whole  red  blood  cells  in  blood   collected  for
transfusions.  The Company's  studies are being conducted under the direction of
Alfred M. Prince,  M.D., of the New York Blood Center.  Studies conducted by Dr.
Prince in 1996 have indicated that VIMRxyn combined with  fluorescent  light can
inactivate  the HIV virus in packed red blood cells.  The Company is  developing
protocols for additional studies to determine the safety, cellular integrity and
efficacy of HIV virus in activation in treated whole red blood cells.

         Hepatitis C Virus

         The  hepatitis  C virus  ("HCV") is a  blood-borne  pathogen  infecting
approximately  200,000 people in the United States each year, with approximately
seventy to ninety percent of such infected  persons (140,000 to 180,000 persons)
becoming chronic carriers of the virus. Chronic carriers of HCV are at high risk
of developing  cirrhosis and liver cancer later in life.  The Center for Disease
Control  estimates  that two and one-half to five million  Americans are chronic
carriers,  and there are an  estimated  400 million  persons  worldwide  who are
chronic  carriers,  most of whom are  located  in the Far East.  Despite  recent
advances  in  blood  screening  techniques,  it is  estimated  that one in 3,000
transfusions in the United States transmits HCV.

         Studies  funded by the  Company in the  laboratories  of Dr.  Alfred M.
Prince at the New York Blood  Center  and Dr.  Edward  Dubovi at the  Diagnostic
Laboratory  of the New York State  College  of  Veterinary  Medicine  at Cornell
University in Ithaca,  New York have  indicated that VIMRxyn may be effective in
inactivating  HCV. The studies were  conducted  on bovine viral  diarrhea  virus
("BVDV") as a  surrogate  for HCV, as BVDV can be  quantified  in cell  cultures
while HCV can only be  assayed in animal  studies  using  chimpanzees.  In their
studies,  Dr.  Prince and Dr. Dubovi  subjected  BVDV, in the presence of packed
human red blood  cells,  to  varying  concentrations  of VIMRxyn  and  different
periods of exposure to light,  and found that VIMRxyn  inactivated BVDV in doses
of only 1ug/ml  during ten minutes of exposure to light.  Such results  indicate
that VIMRxyn may be effective in inactivating HCV.

         In January  1997,  the Company  commenced  a Phase  I/Phase II clinical
trial to determine the antiviral effectiveness of VIMRxyn in reducing the amount
of HCV in the blood of patients  suffering from infectious  chronic hepatitis C.
The trial is being  conducted  at the Bronx VA  Hospital  in New York  under the
direction of Dr. Jeffrey Jacobson, Associate Professor of Infectious Diseases at
Mt. Sinai School of Medicine.

         Cancer/Malignant Brain Gliomas

         Research  groups  worldwide  are  studying  hypericin  for a variety of
medical uses. One such effort, that of William T. Couldwell,  M.D., Ph.D. in the
Division of  Neurological  Surgery at the University of North Dakota,  School of
Medicine,  demonstrated that hypericin  effectively inhibits the growth of human
brain cancer cells (malignant gliomas). The data suggest that in the presence of
hypericin,  glioma  cell death is due to  apoptosis,  a process by which  normal
cells die, but which is missing in cancer cells.  Hypericin appears to limit the
uninhibited  growth of cancer cells by restoring  the natural  mechanism of cell
death.

                                       3

<PAGE>

         In October  1996,  the Company  commenced  a Phase  I/Phase II clinical
trial at the  North  Dakota  School of  Medicine,  under  the  direction  of Dr.
Couldwell,  to determine  whether VIMRxyn has antiglioma  properties in patients
with malignant brain gliomas.

         The Company also has  initiated  pre-clinical  laboratories  studies to
evaluate  the  effectiveness  of VIMRxyn  against a variety of human cancer cell
lines,  including  non-Hodgkins  B-cell  lymphoma,   endometrial  carcinoma  and
cutaneous  T-cell lymphoma.  In some of these studies,  the Company is examining
the potential use of VIMRxyn as a  light-activated  topically  applied treatment
for dermatological diseases caused by viruses and cancers.

         Relationship with Hypericin Licensors

         Pursuant to an agreement  dated June 1, 1988,  as amended (the "License
Agreement"),  between the Company and the  Hypericin  Licensors,  the  Hypericin
Licensors granted the Company a worldwide exclusive license to commercialize and
exploit  natural  hypericin  and  synthetic  hypericin  compounds to  inactivate
viruses  and  retroviruses,  as a  therapeutic  or  preventative  for  viral  or
retroviral diseases, and for anti-glioma (brain tumor) indications.

         Pursuant  to the  License  Agreement,  the  Company is required to make
royalty and related  payments to the Hypericin  Licensors as follows:  (i) 7% of
net sales of licensed products by VIMRx and/or its affiliates,  (ii) 4.4% of net
sales of licensed products by sublicensees of VIMRx,  (iii) 40% of down payments
and research and development  payments  received by VIMRx from sublicensees with
respect to the licensed products,  and (iv) 12% of all consideration received by
VIMRx as an  investment,  loan or capital  contribution  from an entity  selling
licensed  products (to be offset against 50% of any royalties  payable under (i)
and (ii) above);  50% of the cumulative  patent expenses  incurred by VIMRx will
offset up to 50% of the  foregoing  royalty  payments.  Minimum  annual  royalty
payments of  $100,000  are  required to be made by the Company to the  Hypericin
Licensors under the License Agreement.

         The  Hypericin  Licensors  have  made no  representation  or  warranty,
express or implied,  with  respect to the  research  results or the  efficacy or
possible commercial success of synthetic hypericin compounds.

         The Company is required to indemnify  the  Hypericin  Licensors for all
liability  resulting  from  commercialization  of the  licensed  products  to be
secured,  prior to the  marketing  of any licensed  product,  by  $5,000,000  of
product  liability  insurance  coverage  with the Hypericin  Licensors  named as
additional  insureds,  or by an  indemnity  from an entity  satisfactory  to the
Hypericin  Licensors.  Under the Agreement,  any  improvements,  new inventions,
developments or discoveries by VIMRx,  its employees,  affiliates or consultants
with  respect to the  technology  covered by the license is the  property of the
Hypericin  Licensors.  The exclusive  license is subject to  cancellation in the
event VIMRx fails to comply with its terms and conditions,  including payment of
the royalties and other amounts due thereunder.


                                       4
<PAGE>




Oligozymes; Affiliation with Innovir

         General

         In December  1996, the Company  acquired an  approximate  68% ownership
interest  in  Innovir,  a  biotechnology  company  engaged in the  research  and
development of a new class of biopharmaceutical therapeutic agents, collectively
termed  "Oligozymes"  by  Innovir,  for the  treatment  of a wide array of human
diseases.  An Oligozyme is a chemically modified oligomer,  not composed of RNA,
that  participates in an essential  manner in the  sequence-specific,  catalytic
cleavage of a targeted RNA molecule.  The  management of the Company and Innovir
believe  that   therapeutic   agents  based  upon  Innovir's   proprietary  core
technologies  have  the  potential  to be  cost-effective  and  highly  specific
therapeutics for designated disease targets and that these technologies can also
be used to fill a growing need in the pharmaceutical industry for better methods
to identify and validate  targets for drug  discovery.  VIMRx's  management also
believes that its collaboration with Columbia University may provide synergistic
opportunities  for the  Oligozyme  technology  owned by Innovir.  See  "Research
Agreement with Columbia University."

         EGS Oligozymes

         One of Innovir's two core  technologies,  its External  Guide  Sequence
("EGS") Oligozyme  technology,  directs a naturally  occurring cellular ribozyme
(RNase  P)  to  disease-causing  RNA  so  that  the  RNase  P  will  cleave  the
disease-causing  RNA and  render  it  inactive.  An EGS  Oligozyme  is a  small,
chemically-modified  oligonucleotide segment that binds to a disease-causing RNA
to create a  structure  resembling  a type of RNA which is  cleaved  by RNase P,
which thereby  destroys the  disease-causing  RNA  molecules  before they create
disease-causing proteins. Innovir's EGS Oligozyme technology is based upon Nobel
Prize-winning research by Sidney Altman, Ph.D., Sterling Professor of Biology at
Yale  University,  a consultant to and member of the Science  Advisory  Board of
Innovir, and Innovir has an exclusive worldwide license from Yale University for
the commercial application of such technology.  Innovir is investigating the use
of EGS  Oligozymes as a therapeutic  to combat target viral and other  diseases,
and  currently is focussing on hepatitis B,  hepatitis C, cancer,  psoriasis and
bacterial infections caused by drug-resistant microorganisms.

         RILON Oligozymes

         Innovir's second core technology is its RILON(TM) Oligozyme technology,
which was acquired by Innovir as a result of its  acquisition of VIMRx Holdings,
Ltd.  ("Holdings")  from the  Company  in  December  1996.  See "Item 13 Certain
Relationships  and  Related  Transactions."  RILON  Oligozymes  are  composed of
certain types of chemically modified  oligoribonucleotides,  and are proprietary
to Innovir  through  Holdings'  worldwide  exclusive  license  from the European
Molecular  Biology  Laboratory  and  certain  patents  held  by  Innovir.  RILON
Oligozymes consist of two classes: Type 1 RILON Oligozymes cut specific targeted
RNA  molecules  in a  manner  intrinsic  to the  RILON  Oligozyme.  Type 2 RILON
Oligozymes,  which are  shorter in length than Type 1 RILON  Oligozymes  and are
patented by Innovir's  subsidiary,  VIMRx Holdings,  Ltd.,  participate with the
substrate of the  targeted RNA molecule to form a structure  that results in the
sequence-specific  catalytic  cleavage  of the target RNA  molecule.  Innovir is
evaluating  the  potential  use of RILON  Oligozymes  to combat  viral and other
diseases, including cancer, central nervous system diseases and psoriasis.

         Drug Target Identification and Validation

         Innovir also is investigating the use of its Oligozyme  technologies to
identify and validate  disease targets for new drugs.  Oligozymes can be used in
drug   target   identification   and   validation   as   substitutes   for   the
difficult-to-find  selective inhibitors which otherwise are required in the drug
target  identification  and validation  process.  Such  substitution is possible
because  Oligozymes mimic the effect of select inhibitors at an earlier stage of
the  disease-causing  process  than  inhibitors.  While  inhibitors  inhibit the
production of disease-causing proteins, Oligozymes inhibit the production of the
disease-causing  messenger  RNA  molecules  that  produce  such  disease-causing
proteins and, in both cases, the pharmacological effect is the same.

                                       5
<PAGE>

                              ---------------------

         Management  of the Company and  Innovir do not  anticipate  that any of
Innovir's  proposed  products will be available for commercial  sale for several
years, if at all. Innovir's current capital is insufficient to enable Innovir to
complete the development of any of its products.


Research Agreement with Columbia University

         In March 1997, VIMRx entered into a research  agreement relating to the
discovery,  mapping,  sequencing  and validation of  disease-related  genes with
Columbia  University  ("Columbia"),  whereby VIMRx,  through a newly established
subsidiary,  VIMRx Genomics,  Inc.,  ("Genomics"),  90%-owned by the Company and
10%-owned  by  Columbia,  will  provide $30  million in funding to the  Columbia
Genome Center  established by Columbia,  with $4.7 million to be paid during the
first year in  quarterly  installments.  In exchange,  Genomics  will receive an
exclusive  license  to  develop,  manufacture,  use,  sell  or  market  products
resulting  from any invention  research  information  and  biological  materials
developed  by the  Columbia  Genome  Center  and  funded  under  the  agreement.
Following an initial five-year term, the agreement  automatically will renew for
successive  two-year  terms and, in the absence of an agreement to the contrary,
the amount of funding  will be  increased  at a rate of 9% for every  additional
year.  The  agreement is terminable  by either  Columbia or Genomics  during the
initial  five-year  term upon six months  notice,  but in no event  earlier than
September 7, 1999. Under the agreement,  VIMRx agreed to issue 200,000 shares of
Common Stock to Columbia,  and granted Columbia "piggyback"  registration rights
with respect thereto during the period April 1, 1997 to April 1, 1999.

         The  Columbia  Genome  Center  (the  "Center")  is devoted to  mapping,
sequencing,  gene discovery and  technology  development on the genomes of human
and selected  model  organisms.  The Center  evolved from the work of a group at
Columbia under the joint direction of Drs. I.S. Edelman and A. Efstratiadis over
the last five years. This group has advanced the technology used in fine mapping
of human chromosomes,  generated a detailed cosmid-based map of human chromosome
13,  fabricated  highly  representative  normalized  human  cDNA  libraries  and
contributed  significantly to gene discovery,  e.g., the Cu-transport protein of
Wilson's Disease. The Center is building on this base to develop a comprehensive
genome  center  operating  at the  forefront of this field.  Integrated  genomic
mapping and  sequencing  is used to facilitate  gene  discovery and gene therapy
strategies in collaboration with laboratories throughout the University.

         Investigators  at the  Center  have been  involved  in  localizing  and
identifying  novel human  genes  associated  with  genetically  based  diseases,
including cancer,  late-onset  Alzheimer's Disease,  epilepsy,  manic-depressive
disorder  and  glaucoma.  VIMRx's  management  believes the  collaboration  with
Columbia may also provide synergistic opportunities for the Oligozyme technology
owned by Innovir.  As the Center provides  access to proprietary  gene sequences
implicated  in  disease   processes,   the  Oligozyme   technology  may  aid  in
understanding the function of such genes and potentially lead to the development
of new diagnostic and therapeutic compounds. See "--Oligozymes - General."

         To enhance the commercial potential of the collaboration, VIMRx intends
to seek technology  partnerships with pharmaceutical and/or diagnostic companies
and to solicit equity investments in Genomics from potential technology partners
and other investors.

         Eric A. Rose, M.D. and Michael Weiner,  M.D., directors of the Company,
have affiliations with Columbia. See "Item 13 -Certain Relationships and Related
Transactions."

                                       6
<PAGE>


Patents and Licenses

         The Company has been  granted an  exclusive  license for the  worldwide
rights  to  synthetic  hypericin  compounds  for  viral,  retroviral  and  other
applications by the Hypericin Licensors which have been issued five U.S. patents
for anti-viral and anti-retroviral  applications and manufacturing processes and
have filed  patent  applications  for U.S. and foreign  patents  relating to the
synthesis and therapeutic uses of synthetic  hypericin  compounds.  In addition,
the  Company  has  acquired  a  worldwide   exclusive   license  for  rights  to
commercialize  and exploit  synthetic  catalytic  oligonucleotide  compounds for
pharmaceutical  and  diagnostic  products.  There can be no assurance  that such
patents,  or pending patents if issued,  will provide adequate protection to the
Company.  Infringement  claims may be asserted  against  the Company  and/or the
respective  licensors (with respect to which the Company has agreed to indemnify
the  Hypericin  Licensors ) which,  if  affirmed,  might  require the Company to
acquire licenses from others.

         The Company also has an exclusive license to develop, manufacture, use,
sell or  market  products  resulting  from any  invention  or  research  product
developed by the Columbia Genome Center under its research agreement.  See "Item
1 - Business - Research Agreement with Columbia University."

         Innovir has an exclusive license from Yale University for the worldwide
rights to 22 U.S.  patents  and  patent  applications  for  therapeutic  uses of
Oligozymes,  oligonucleotide delivery, and diagnostic applications of ribozymes.
Corresponding foreign applications are pending or issued.

         The Company is aware of patents in the United States and Europe held by
an unaffiliated  third party relating to catalytic  ribonucleic  compounds which
may be  infringed  by  certain  synthetic  catalytic  oligonucleotide  compounds
licensed to VIMRx Holdings, Ltd., in which event a license from such third party
would be required.  There can be no assurance that VIMRx Holdings, Ltd. would be
able to attain such license on reasonable terms, or at all.

Manufacturing

         VIMRx has no  manufacturing  capability and has contracted with outside
suppliers  to  develop,  produce,  and  package  therapeutic  formulations  of a
synthesized  form of hypericin  for the human  clinical  trials.  The  synthesis
process has been developed at The Weizmann Institute of Science in Israel, using
a  natural  product  available  from a  limited  number  of  specialty  chemical
suppliers as the precursor.  Only limited quantities of synthetic hypericin have
been  manufactured  and the  production  process must be further  developed  and
refined for  commercial  quantities  to be produced,  as to the success of which
there can be no assurance.

         Innovir manufactures EGS Oligozymes and RILON Oligozymes for use in its
test tube, cell culture,  animal testing and target validation programs,  and is
exploring other sources of supply.

                                       7
<PAGE>

Government Regulation

         The  manufacture  and marketing of  therapeutic  products is subject to
extensive  regulation  by the FDA, as well as by state and foreign  authorities.
Prior to the release of VIMRxyn for marketing as a therapeutic product or agent,
its  tolerance,  safety and efficacy as a treatment must be established in human
clinical  trials  and  approval  of a new  drug  application  ("NDA")  obtained.
Although  the  Company-sponsored  Thailand  trials  did not  result in  untoward
toxicity or skin  photosensitivity  and, based on the measurement criteria used,
produced evidence of anti-HIV activity in 10 out of 12 patients, there can be no
assurance that the FDA will accept the clinical results  therefrom.  Among other
additional  regulatory  requirements,  it is possible that additional toxicology
studies will need to be performed in the United  States,  and Phase III clinical
trials, which are both costly and time-consuming,  will need to be undertaken to
obtain an NDA. Prior to its commercialization as a means of inactivating HIV and
other  lipid-enveloped  viruses in blood collected for  transfusions,  a product
license application ("PLA") or an NDA must be obtained.  These are long-term and
costly  processes  as to the  successful  completion  of which  there  can be no
assurance.

         In addition to regulations  enforced by the FDA, the Company's proposed
products also may be subject to  regulation  under the  Occupational  Safety and
Health Act, the Environmental  Protection Act, the Toxic Substances Control Act,
the  Resource  Conservation  and Recovery  Act and other  present and  potential
future, state or local regulations.  Outside the United States, the Company also
is subject to foreign  regulatory  requirements  governing human clinical trials
and  marketing  approval for drugs.  The  requirements  governing the conduct of
clinical trials,  product licensing,  pricing and reimbursement vary widely from
country to country.

         Innovir's  development,  manufacture and sale of therapeutics similarly
is subject to regulation by a variety of governmental authorities.


Competition

         The biomedical industry is highly competitive. Competition in the field
in which the Company is engaged is intense and expected to increase as knowledge
and  interest in the  technology  and  products  being  developed by the Company
increase.  The Company faces  competition from  biotechnology  companies,  large
pharmaceutical companies, academic institutions,  government agencies and public
and private research  organizations,  many of which have extensive resources and
experience  in  research  and  development,   clinical  testing,  manufacturing,
regulatory  affairs,  distribution  and  marketing.  Some of these entities have
significant  research  and  development  activities  in  areas  upon  which  the
Company's   programs   focus.   Many  of  the  Company's   competitors   possess
substantially greater research and development,  financial, technical, marketing
and human resources than the Company and may be in a better position to develop,
manufacture and market products. Current and future treatments for AIDS, and the
use of  combination  therapy in connection  therewith,  may render the Company's
synthetic  hypericia program for treating AIDS obsolete or  non-competitive.  In
addition,  forms of  hypericin  extracted  from  plants  are  being  used as lay
treatments for a variety of disorders,  including AIDS. The Company is similarly
subject  to   substantial   competition   from   pharmaceutical,   chemical  and
biotechnology  firms in the attempt to develop a means of inactivating blood and
other  lipid-enveloped  viruses  in blood  collected  for  transfusions,  and in
seeking to develop  treatments for hepatitis C and therapeutics for brain cancer
(glioma).

         Innovir  is  likewise   subject  to  substantial   competition  in  the
development and marketing of its Oligozyme technologies.


Employees

         At March 1, 1997,  the  Company  had nine  full-time  employees  in the
United States consisting of its five executive  officers,  one financial analyst
and three administrative  assistants. At December 31, 1996, the Company believes
that its relations with its employees is satisfactory.

         Innovir has 27  full-time  U.S.  employees  and 23  full-time  non-U.S.
employees.



                                       8
<PAGE>



Consultants

         The Company is dependent on third  parties for  significant  aspects of
its  research and  development  operations.  Research  with respect to potential
therapeutic  applications for hypericin and certain  analogues  thereof is being
performed by New York  University  Medical Center and the Weizmann  Institute of
Science in Israel (the "Research  Institutions")  under the  supervision of four
principal  researchers  who,  together  with other  scientists  at the  Research
Institutions,  are also  consultants to the Company.  Consultants have also been
retained to assist in  supervising  the IND regulatory  process,  monitoring the
human clinical trials and establishing  the toxicology tests for hypericin.  The
Company also retains  financial  consultants.  The Company's  Medical  Director,
responsible for developing  clinical protocols and monitoring the performance of
these protocols, was also a consultant to the Company through February 28, 1995.

         The  Company's  consultants  are  employed  by and/or  have  consulting
agreements  with entities other than the Company,  some of which may conflict or
compete  with the Company,  and are  expected to devote only a minor  portion of
their time to the affairs of the Company.  Regulations or policies now in effect
or adopted in the future by their respective  employers may limit the ability of
such persons to consult with the Company. The loss of the services of certain of
such persons may adversely affect the Company.

         In  August  1995,  the  Company  entered  into a  financial  consulting
arrangement  with Lindsay A. Rosenwald,  M.D. (who was elected a director of the
Company in June 1996) in  consideration  for the grant of an option to  purchase
2,000,000  shares of Common  Stock at  approximately  $.53 per share  commencing
August 7, 1996 (one year from the date of grant)  and  expiring  August 7, 1998,
and in  November  1995,  entered  into  consulting  arrangements  with Donald G.
Drapkin and Eric A. Rose, M.D., directors of the Company, pursuant to which each
was granted options to purchase  650,000 shares of Common Stock at approximately
$.94 per  share,  exercisable  cumulatively  at the rate of 25% of the number of
underlying shares per year commencing one year from the date of grant. See "Item
13 - Certain Relationships and Related Transactions."


Item 2.   Properties.

         The  Company  occupies  5,266  square  feet  of  office  space  at 2751
Centerville  Road,  Suite 210,  Wilmington,  Delaware under a lease at a monthly
rent of $9,009.  The lease  expires on August 31, 1999,  with an option to renew
for five years.

         Innovir  sublets  approximately  8,500 square feet of space in New York
City for its laboratory and executive offices,  approximately  5,000 square feet
of space in  Cambridge,  England,  approximately  2,500  square feet of space in
Gottingen,  Germany  and  approximately  4,000  square feet of space in Rosdorf,
Germany.


Item 3.   Legal Proceedings.

         None.


Item 4. Submission of Matters to a Vote of Security Holders.

         None.


<PAGE>



                                       9
<PAGE>




                                                       PART II

Item 5.   Market for Registrant's Securities and Related Stockholder Matters.


         The Company's Common Stock is traded in the over-the-counter  market on
The Nasdaq Stock  Market's  National  Market  System under the symbol VMRX.  The
following  table  sets  forth for the  Company's  Common  Stock the high and low
closing  sales  prices for each  calendar  quarter  from January 1, 1995 through
March 17, 1997. Prior to December 31, 1996, the Company's Common Stock traded on
The Nasdaq Stock Market's Small-Cap Market.

                                           High                      Low
1995
First Quarter................              25/32                     3/8
Second Quarter...............               5/8                     13/32
Third Quarter................             1 5/16                    7/16
Fourth Quarter...............             1 3/16                    25/32

1996
First Quarter................             3 1/32                    1 1/8
Second Quarter...............              6 1/4                   2 25/32
Third Quarter................             4 15/16                     3
Fourth Quarter...............             3 13/16                  2 9/32

1997
First Quarter (through
  March 17, 1997)............             3 1/2                    2 15/32


         On March 17,  1997,  there  were  approximately  14,000  holders of the
Company's  Common Stock,  including  beneficial  owners of shares  registered in
nominee or street name.

         The Company is in the development  stage,  has not paid a cash dividend
and does not anticipate the payment of cash dividends in the foreseeable future.

Recent Sales of Unregistered Securities

         On May 23, 1996, the Company issued to Dr. Herbert Stadler  warrants to
purchase  365,000  shares of the Company's  Common Stock at an exercise price of
$.01 per share, as part of the consideration paid by VPI Holdings,  Ltd. (then a
subsidiary of the Company but subsequently sold to Innovir  Laboratories,  Inc.)
to Dr. Stadler for acquiring all of the issued and outstanding  capital stock of
Ribonetics  GmbH.  Dr.  Stadler  was  also  paid  $1,500,000  in  cash  in  such
transaction.


                                       10
<PAGE>

         On June 21, 1996, the Company completed a private placement pursuant to
a  subscription  agreement  dated March 21, 1996,  to a group of  investors,  of
2,799,991  shares  of Common  Stock  and  1,399,993  Common  Stock  Subscription
Warrants,  for an  aggregate  purchase  price of  $4,199,987.  Each Common Stock
Subscription  Warrant is exercisable through June 20, 2006 to purchase one share
of  Common  Stock at an  exercise  price of $1.50  per  share.  Pursuant  to the
subscription  agreement,  the private placement investors agreed not to transfer
their shares of Common Stock or warrants prior to June 21, 1997, and the Company
agreed to register the shares of Common Stock and warrants for public sale under
the Securities Act of 1933 subsequest thereto.  Concurrently with the closing of
the  private  placement,  1,000,000  warrants  issued  in  conjunction  with the
Company's December 1995 bridge loan financing  automatically were converted into
1,000,000 Common Stock Subscription Warrants.

         On December  23,  1996,  the Company  issued an  aggregate of 3,000,000
shares of Common  Stock to The Aries  Fund,  a Cayman  Island  trust (the "Aries
Trust"), and The Aries Domestic Fund, L.P., a Delaware limited partnership ("The
Aries  Limited  Partnership"  and,  together  with the Aries  Trust,  the "Aries
Funds"), as part of the consideration for 9.5 million shares of the Common Stock
of Innovir  Laboratories,  Inc. See "Item 13 Certain  Relationships  and Related
Transactions."

         The foregoing transactions of the Company were exempt from registration
under the  Securities Act of 1933, as amended,  under  Sections  4(2),  2(3) and
3(a)(9) thereunder,  and all stock and warrant certificates issued in connection
therewith were legended to reflect their restricted status.


                                       11
<PAGE>





Item 6.   Selected Financial Data.

         The  following  selected  financial  data  have been  derived  from the
Company's  audited  financial  statements.  The  Statements of  Operations  Data
relating  to the  fiscal  years  1994,  1995 and 1996  and for the  period  from
inception  through December 31, 1996 and the Balance Sheets Data at December 31,
1995 and 1996 should be read in conjunction with the Company's audited financial
statements and "Management's  Discussion and Analysis of Financial Condition and
Results of Operations," included elsewhere in this Annual Report on Form 10-K.


Statements of Operations Data:

<TABLE>
<CAPTION>

                                                                                December 30, 1986
                                                    Year Ended December 31,       (Inception) to
                                           1996          1995             1994   December 31, 1996
                                           ----          ----             ----
<S>                                     <C>            <C>            <C>         <C>

Operating expenses:
    Research and development..          $2,950,000      $2,840,000    $1,463,000  $15,939,000
    Purchased research and
      development.............          14,484,000          -            -         14,484,000
       General and administrative        4,300,000       2,272,000     1,646,000   13,782,000
                                        ----------    ------------    ----------   ----------
                                        21,734,000       5,112,000     3,109,000   44,205,000
                                        ----------      ----------    ----------   ----------

Other (income) expense:
    Royalty payments..........           100,000           100,000       100,000      300,000
    Interest (income).........        (1,792,000)         (160,000)     (189,000)  (2,951,000)
    Interest expense..........           329,000             2,000                    413,000
    Provision for losses (recovery)
      on notes receivable.....               -               -            -           135,000
    Minority interest in consolidated
       subsidiary...................    (116,000)            -            -          (116,000)
    Investment in and advances to
      research and development
      entities charged to expense            -             185,000       515,000      700,000
    Other - net....................     (395,000)            1,000        74,000     (315,000)
                                    ------------      -------------   ----------     ---------
                                      (1,874,000)          128,000       500,000   (1,834,000)
                                   -------------      -------------   ----------   -----------

Net loss.....................        $19,860,000        $5,240,000    $3,609,000   $42,371,000
                                     ===========      ============  ============   ===========

Net loss per share............         $.50              $.27           $.19
                                       ====              ====           ====

Weighted average number of
    shares of Common Stock
    outstanding...............     39,398,644           19,747,595    19,066,754
                                 ============           ==========   ===========

Balance Sheets Data:
<CAPTION>
                                                    December 31,
                                   --------------------------------------------
                                    1996            1995           1994
                                    ----            ----           ----
<S>                            <C>              <C>             <C>

    Working capital...........  $ 44,848,000     $ 391,000     $ 4,742,000
    Total assets..............    51,692,000     2,958,000       5,249,000
    Total liabilities.........     3,101,000     2,698,000         116,000
    Minority interest in
        subsidiary............    2,381,000
    Deficit accumulated during
       development stage......   (42,371,000)   (22,511,000)    (17,271,000)
    Stockholders' equity......    46,210,000        260,000       5,134,000
</TABLE>



                                       12
<PAGE>

         Item 7. Management's Discussion and Analysis of Financial Condition and
Results of Operations.

Years Ended December 31, 1996 and 1995

         Total  operating   expenses   increased  by  325%   ($16,622,000)   due
principally to a $14,484,000  purchased research and development  charge, an 89%
($2,028,000)  increase  in  general  and  administrative   expenses  and  an  4%
($110,000) increase in research and development expenses.

         The $14,484,000  purchased  research and development charge consists of
$3.5  million  from the  acquisition  of  Ribonetics  GmbH in May 1996 and $10.9
million net of a gain of $2,889,000 on the sale of VIMRx Holdings,  Ltd. ("VHL")
from the acquisition of an approximate 68% interest in Innovir in December 1996,
in connection with the acquisition of a controlling  interest in Innovir.  These
charges to the statement of operations  reflect the value placed on the on-going
research and  development  of the Oligozyme  technologies.  Approximately  $13.5
million of this expense is non-cash  incurred  through the issuance of 3,000,000
shares of Common Stock and warrants to purchase 365,000 shares of Common Stock.

         General  and   administrative   expenses   increased  89%  ($2,028,000)
principally due to  approximately  $1 million  non-recurring  costs  principally
related  to   employees,   recruiting,   and  bridge  loan  finance   costs  and
approximately  $1  million  increases  in  recurring  expenses  for  public  and
stockholder  relations,  consulting  fees and costs  related  to VHL's  European
operations and Innovir.

         Research and development  expenses increased 4% ($110,000)  principally
due to an increase in salaries and expenses related to VHL's European operations
and $350,000 write-down on Epoch Investment, offset by a $464,000 termination of
agreement  credit  resulted from the  termination of the Company's  research and
development with Ribonetics in 1996.

         Interest income  increased $1.6 million in 1996 as compared to 1995 due
to an increase in funds  available for  investments  (see  Liquidity and Capital
Resources) and a higher  effective  interest rate.  Interest expense of $327,000
related  principally  to the December  1995 bridge loan which was repaid in June
1996.

         Other  income  increased  $396,000 due to capital  gains on  short-term
investments.

         The foregoing resulted in a 279% ($14,620,000) increase in the net loss
for the year ending December 31, 1996.


Years Ended December 31, 1995 and 1994

         Total operating  expenses  increased by 64%  ($2,003,000)  due to a 94%
increase in research and development expenses, and a 38% increase in general and
administrative expenses.

         Research and development expenses increased 94% ($1,377,000) due to (1)
$1,053,000  paid to  Ribonetics  in  1995  under  the  Ribonetics  research  and
development  agreement,  (2) a $464,000  expense for the accrual of common stock
due to Ribonetics under the Ribonetics research and development  agreement (this
accrual  was  reversed  in the  first  quarter  of 1996 when the  agreement  was
terminated),  (3) a $317,000 increase in research and development administrative
salaries,  (4) a $76,000  increase in consulting and other  expenses  related to
research in the United Kingdom,  partially offset by (5) $125,000,  $213,000 and
$126,000  decreases in expenses related to CambES Ltd., drug production  support
and drug production  development,  respectively,  and (6) a $69,000  decrease in
miscellaneous research and development expenses.


                                       13
<PAGE>

         General and administrative expenses increased 38% ($626,000) due to (1)
a $449,000  increase in legal fees for the acquisition of intellectual  property
from  Ribonetics,  (2) a $37,000  increase  in rent  expense  as a result of the
Company's  lease in the third  quarter  of 1994 of new  space for its  executive
offices  and new space for the newly  formed U.K.  subsidiary  company and (3) a
$90,000 increase in legal fees for patents,  partially offset by (4) $24,000 net
decreases in recruiting, relocating, consulting and other expenses.

         Other  (income)  expense  decreased  by $372,000  principally  due to a
decrease in  investments in and advances for research and  development  entities
charged to expense.

         The foregoing  resulted in a 45% ($1,631,000)  increase in the net loss
for the year ended December 31, 1995.


Liquidity and Capital Resources

         The Company is in the  development  stage,  has  realized no  operating
revenues and has financed its operations through the sale of its securities.

         The Company had  $46,911,000 in cash,  cash  equivalents and marketable
securities  held for sale at December 31,  1996,  as compared to  $2,219,000  at
December 31, 1995 and working  capital of  $44,848,000  at December 31, 1996, as
compared  to $391,000 at December  31,  1995.  The  increase in cash and working
capital  position  results from the net proceeds  upon exercise of the Company's
Redeemable  Class A and  Class B  Warrants  and a  private  placement  financing
offset, in part, by funds used in the operations of the Company.

         On April 9,  1996,  the  Company  exercised  its  right to  redeem  all
outstanding  Redeemable  Class Warrants (the "Class A Warrants") on May 10, 1996
(the  "Redemption  Date").  Between  January  1, 1996 and the  Redemption  Date,
approximately  13,900,000 Class A Warrants were exercised resulting in the issue
of one share of Common  Stock and one  Redeemable  Class B Warrant (the "Class B
Warrant") resulting in net proceeds of approximately $20.1 million.


         On April 25,  1996,  the  Company  exercised  its  rights to redeem all
outstanding  Redeemable  Class  B  Warrants  on June  13,  1996,  (the "B  Class
Redemption  Date").  Between  January 1, 1996 and the B Class  Redemption  Date,
approximately  14,200,000  Class B Warrants  were  exercised,  resulting  in the
issuance  of one  share of Common  Stock  for  $2.25.  The  exercise  of Class B
Warrants yielded net proceeds of approximately $30.7 million.


         On June 21, 1996, the Company completed a private placement pursuant to
a  subscription  agreement  dated March 21, 1996,  to a group of  investors,  of
2,799,991  shares  of Common  Stock  and  1,399,993  Common  Stock  Subscription
Warrants,  for an aggregate  purchase price of  approximately  $4,199,987.  Each
Common  Stock  Subscription  Warrant is  exercisable  through  June 20,  2006 to
purchase  one share of Common  Stock at an  exercise  price of $1.50 per  share.
Pursuant to the subscription  agreement,  the private placement investors agreed
not to transfer their shares of Common Stock or warrants prior to June 21, 1997,
and the Company  agreed to register  the shares of Common Stock and warrants for
public sale under the Securities Act of 1933  subsequent  thereto.  Concurrently
with  the  closing  of the  private  placement,  1,000,000  warrants  issued  in
conjunction with the Company's December 1995 bridge loan financing automatically
were converted into 1,000,000 Common Stock Subscription Warrants.


                                       14
<PAGE>


         The  Company   expects  to  incur   substantial   expenditures  in  the
foreseeable future for the research and development and commercialization of its
proposed products.  Based on current  projections,  which are subject to change,
the  Company's  management  believes  that the  present  balance  of cash,  cash
equivalents  and marketable  securities held for sale, is sufficient to fund its
operations  for over two years,  assuming no capital  infusions  or revenues are
received (it is management's  belief,  however,  that such capital infusions and
revenues will occur).  Thereafter,  the Company will require  additional  funds,
which it may seek to raise through public or private equity or debt  financings,
collaborative or other  arrangements  with corporate  sources,  or through other
sources of financing.




Item 8.   Financial Statements and Supplementary Data.

         See Index to Financial Statements on page F-1.

         No financial  statement  schedules  are  required  because they are not
applicable  or the  information  is disclosed  in the  financial  statements  or
related notes.

         Item 302 - Supplementary Financial Information of Regulation S-K is not
applicable.

         Item 9. Changes In and Disagreements with Accountants on Accounting and
Financial Disclosure.

         None.




                                       15
<PAGE>





                                    PART III


Item 10.   Directors and Executive Officers of the Registrant.

         The directors and executive officers of VIMRx are as follows:


 Name                                 Age                       Position
 Richard L. Dunning                   51      President and Chief Executive 
                                              Officer
 Francis M. O'Connell                 51      Vice President, Finance and Chief
                                              Financial Officer
 David A. Jackson, Ph.D.              54      Executive Vice President and Chief
                                              Scientific Officer
 Alfonso J. Tobia, Ph.D.              54      Vice President, Research and
                                              Development
 Donald G. Drapkin                    48      Director (1)
 Laurence D. Fink                     48      Director (2)
 Jerome Groopman, M.D.                44      Director
 Linda G. Robinson                    43      Director (2)
 Eric A. Rose, M.D.                   45      Director (1)
 Lindsay A. Rosenwald, M.D.           41      Director (1)
 Michael Weiner, M.D.                 50      Director (2)

- - ---------------------------
(1)  Member of Compensation Committee.
(2)  Member of Audit Committee.


         RICHARD L. DUNNING has been  President and Chief  Executive  Officer of
the Company since April 1996.  Prior to joining the Company,  Mr. Dunning served
as Executive  Vice  President  and Chief  Financial  Officer of the DuPont Merck
Pharmaceutical Company since 1991.

         FRANCIS M. O'CONNELL, CPA, has served as Chief Financial Officer of the
Company since February  1995.  Prior to joining the Company,  Mr.  O'Connell was
Director of Litigation  Support in the New York office of J.H. Cohn & Company, a
C.P.A.  firm, from June 1994 to February 1995, and was  Vice-President of Hickok
Associates Inc., a financial  consulting company,  from March 1992 to June 1994,
and for 17 years prior thereto,  was a partner with KPMG Peat Marwick  (formerly
KMG Main Hurdman).

         DAVID A. JACKSON,  Ph.D.,  has served as Executive  Vice  President and
Chief  Scientific  Officer of VIMRx  Pharmaceuticals  Inc. since September 1996.
Prior to joining VIMRx, Dr. Jackson was with DuPont Merck Pharmaceutical Company
since 1991,  most  recently  serving as Senior  Director,  Cancer,  Virology and
Molecular Biology Research.


                                       16
<PAGE>

         ALFONSO J. TOBIA, Ph.D. was elected an executive officer of the Company
in March  1995,  having  joined the  Company  as Vice  President,  Research  and
Development  in June 1994.  Prior to joining  VIMRx,  Dr.  Tobia  served as Vice
President   of   Scientific   Affairs  at  Great   Valley   Pharmaceuticals,   a
biopharmaceutical  company, from April 1993 to June 1994. From 1990 to 1991, Dr.
Tobia  served  as  Senior  Director  of  R.W.  Johnson  Pharmaceutical  Research
Institute; from 1985 to 1990, as Director of Pharmacology at Johnson & Johnson's
Ortho Pharmaceutical  Corporation;  and from 1974 to 1977 as Senior Scientist at
SmithKline Laboratories.

         DONALD G. DRAPKIN was elected a director of the Company on November 17,
1995.  Since March 1987,  Mr. Drapkin has served as Vice Chairman and a director
of  MacAndrews  & Forbes  Holdings  Inc.,  and was a partner  in the law firm of
Skadden,  Arps, Slate,  Meagher & Flom in New York City for more than five years
prior  thereto.  Mr.  Drapkin  also  serves  as  a  director  of  the  following
corporations which file reports pursuant to the Securities Exchange Act of 1934:
The Coleman Company, Inc., Coleman Holdings Inc., Coleman Worldwide Corporation,
Marvel Entertainment Group, Inc., Marvel Holdings Inc., Marvel (Parent) Holdings
Inc.,  Marvel III Holdings Inc., Revlon Consumer  Products  Corporation,  Revlon
Worldwide Corporation and Toy Biz, Inc.

         LAURENCE  D. FINK was  elected a director  of the Company in June 1996.
Mr. Fink has been Chairman and Chief Executive Officer and Director of BlackRock
Financial Management  (investment advisor) since 1988. Mr. Fink is a director of
the closed end funds for which BlackRock serves as investment advisor.

         JEROME  GROOPMAN,  M.D.  was  elected a director of the Company in June
1996.  Dr.  Groopman has been a professor of Medicine at Harvard  Medical School
since 1993.  Dr.  Groopman  has been an  attending  physician  and member of the
executive  committee of New England Deaconess  Hospital since 1989. Dr. Groopman
is director of the  following  corporations  which file reports  pursuant to the
Exchange Act: Advance Tissues Sciences.

         LINDA G.  ROBINSON  was elected a director of the Company in June 1996.
Ms. Robinson has been Chairman,  Chief Executive Officer and Partner of Robinson
Lerer  Sawyer  Miller  (strategic  communications)  for more  than the past five
years.  Ms.  Robinson is a director  of the  following  corporation  which files
reports  pursuant  to  the  Exchange  Act:  Laboratory  Corporation  of  America
Holdings.

         ERIC A. ROSE,  M.D.  was  elected a director of the Company in November
1995. Dr. Rose is  Surgeon-In-Chief at Columbia  Presbyterian  Medical Center in
New York, a position he has held since  August  1994,  has served as Chairman of
the  Department of Surgery at the College of Physicians and Surgeons of Columbia
University since 1994 and as Director of the Division of Cardiothoracic  Surgery
of the Department since 1990. Dr. Rose is a past president of the  International
Society for Heart and Lung Transplantation.

     LINDSAY A.  ROSENWALD,  M.D.  was elected a director of the Company in June
1996.  Dr.  Rosenwald  has been the  Chairman  and Chief  Executive  Officer  of
Paramount Capital,  Incorporated  (investment bank) since 1992. Dr. Rosenwald is
also chairman of Paramount  Capital  Investments,  LLC,  Paramount Capital Asset
Mgt.,  Inc.  and The Castle  Group.  Dr.  Rosenwald  serves as a director of the
following  corporations  which file reports pursuant to the Exchange Act: Ansan,
Inc., Amgen, Inc., Atlantic  Pharmaceuticals,  Inc.,  BioCryst  Pharmaceuticals,
Inc.,  Interneuron  Pharmaceuticals,  Inc.,  Neose  Technologies,  Inc.,  Sparta
Pharmaceuticals, Inc., Titan Pharmaceuticals, Inc. and Xenometrix, Inc.


                                       17
<PAGE>

         MICHAEL  WEINER,  M.D.  was  elected a director  of the Company in June
1996.  Dr.  Weiner has been the  Hellinger  Professor of Clinical  Pediatrics at
Columbia  University  College of Physicians  and Surgeons since January 1996 and
has been an attending pediatrician at Columbia Presbyterian Medical Center since
January  1996.  Dr.  Weiner  has  served as  Associate  Director  of  Pediatrics
Hematology/Oncology  and Associate  Attending  Physician of  Hackensack  Medical
Center and an  Associate  Attending  Pediatrician  UMDNJ  Division of  Pediatric
Hematology/Oncology, since 1987.
                          ----------------------------

         All directors hold office until the next annual meeting of shareholders
and until  their  successors  are elected and  qualified.  Officers  are elected
annually and serve at the pleasure of the Board of Directors, subject to rights,
if any, under contracts of employment.

Section 16(a) Beneficial Ownership Reporting Compliance

         Section 16 of the Securities Exchange Act of 1934, as amended, requires
that  officers,  directors  and  holders  of more than 10% of the  Common  Stock
(collectively,  "Reporting  Persons")  file reports of their  trading in Company
equity securities with the Securities and Exchange Commission. Based on a review
of Section 16 forms filed by the Reporting  Persons during the last fiscal year,
Eric Rose,  M.D.,  a director of the  Company,  filed his Form 5  reporting  the
exercise of warrants approximately one month late; the Company believes that the
Reporting  Persons  otherwise  timely  complied with all  applicable  Section 16
filing requirements.


Item 11.   Executive Compensation.

Summary Compensation

         The following  table sets forth a summary of the  compensation  for the
year ended December 31, 1996 earned by the Company's Principal Executive Officer
and be each other executive officer whose compensation  exceeded $100,000 during
1996:
<TABLE>
<CAPTION>

                                             SUMMARY COMPENSATION TABLE

                                                                                Long-Term
                                                   Annual Compensation         Compensation
                                                -------------------------        Awards
Name and Principal Position              Year      Salary        Bonus           Options            Compensation
<S>                                      <C>      <C>           <C>              <C>                <C>     <C>

Richard L. Dunning                       1996     $133,833      $40,000           800,000 (1)        $4,500 (2)
    President and Chief                  1995        --           --                --                   --
    Executive Officer                    1994        --           --                --                   --

Francis M. O'Connell                     1996     $123,800      $35,000             --                   --
    Vice President, Finance and          1995     $ 96,125        --              100,000 (3)            --
    Chief Financial Officer              1994        --           --                --                   --

Alfonso J. Tobia, Ph.D.                  1996     $147,272      $50,000
    Senior Vice President                1995     $130,000      $12,500             --                   --
                                         1994      $59,696        --              150,000 (4)        $25,000 (5)
</TABLE>

- - --------------------

                                       18
<PAGE>

(1)       Number of shares of Common  Stock  purchasable.  See  Option  Grant 
          Table below for exercise price and vesting terms.

(2)       Reimbursement of personal medical and health care insurance.

(3)       Number of shares of Common Stock purchasable at $.44 per share.

(4)       Number of shares of Common Stock purchasable at $.69 per share.

(5)       Consists of a one-time relocation fee.


Option Grant Table

         The following table sets forth certain  information  concerning options
granted in 1996 to the individuals named in the Summary Compensation Table:

                                INDIVIDUAL GRANTS
<TABLE>
<CAPTION>

                                                            % of Total
                               Number of Securities       Options Granted to          Exercise
                                Underlying Options        Employees in Fiscal        Price Per      Expiration Date
           Name                      Granted                     Year                  Share
<S>                                <C>                           <C>                  <C>               <C>

Richard L. Dunning                  800,000(1)                   54.4                   $2.56            4/2/01
</TABLE>

- - --------------------------
(1)  Granted  pursuant  to  Mr.  Dunning'sagreement. See "Employment
     Arrangements" below.

Option Exercises and Value Table

         The following table sets forth certain  information  concerning options
exercised during 1996, and the number of unexercised  options as at December 31,
1996 held, by the individuals named in the Summary Compensation Table:
<TABLE>
<CAPTION>

                                   OPTION EXERCISE AND VALUES AT DECEMBER 31, 1996

                                                        Number of Unexercised       
                                                             Options at             Value of Unexercised 
                              Shares                      December 31, 1996         In-the-Money Options 
                             Acquired On      Value        Exercisable(E)/                    at
       Name                   Exercise      Realized       Unexercisable(U)          December 31, 1996(1)
       ----                   --------      --------       ---------------           --------------------
<S>                                                          <C>                            <C>     
Richard L. Dunning...........                                800,000(U)                     $650,000
Francis M. O'Connell.........                                 25,000(E)                      $73,438
                                                              75,000(U)                     $220,313
Alfonso J. Tobia, Ph.D.                                       75,000(E)                     $201,375
                                                              75,000(U)                     $201,375
</TABLE>

                                       19
<PAGE>

(1)      Based upon the $3 7/16 closing sale price of the Common Stock on The 
         Nasdaq Stock Market on December 31, 1996.


Employment Arrangements

         In  October  1996,  the  Company  entered  into a  restated  employment
agreement with Richard L. Dunning,  effective March 27, 1996,  pursuant to which
Mr. Dunning serves as President and Chief Executive Officer of the Company.  The
agreement provides for a base annual salary of $200,000,  which may be increased
at the discretion of the Board of Directors or the Compensation  Committee,  and
an annual cash bonus based on performance  criteria,  with an initial cash bonus
targeted to be at least 33% of Mr. Dunning's base  compensation.  Mr. Dunning is
entitled to four weeks'  vacation and to participate  in the Company's  medical,
dental,  life and long-term  disability  insurance  and other benefit  programs.
Pursuant to the agreement,  Mr. Dunning was granted stock options to purchase an
aggregate of 800,000  shares of Common  Stock at an exercise  price of $2.56 per
share,  exercisable  cumulatively at the rate of 25% per annum  commencing March
28,  1997 (one year from the date of grant).  Mr.  Dunning's  employment  may be
terminated  by the Company for cause,  or without  cause upon 60 days' notice by
either the Company or Mr.  Dunning.  In the event Mr.  Dunning's  employment  is
terminated by the Company without cause, or in the event Mr. Dunning  terminates
his employment  following  certain actions by the Company  (including a material
reduction in Mr.  Dunning's  duties or a relocation of the  Company's  principal
executive offices),  Mr. Dunning is entitled to a severance payment equal to six
months'  of his base  salary,  payable in monthly  installments.  The  agreement
contains certain  non-competition and confidentiality  provisions,  and provides
that the Company may obtain "key man" life  insurance on the life of Mr. Dunning
for the Company's  benefit.  Mr. Dunning  received a $40,000  signing bonus upon
execution of the agreement.

         In August 1996, the Company  entered into an employment  agreement with
David A. Jackson,  Ph.D., pursuant to which Dr. Jackson serves as Vice President
- - - Research and  Development  and Chief  Scientific  Officer of the Company.  The
agreement provides for a base annual salary of $175,000,  which may be increased
at the discretion of the Board of Directors or the Compensation  Committee,  and
an annual cash bonus based on performance  criteria,  with an initial cash bonus
targeted to be at least 33% of Dr. Jackson's base  compensation.  Dr. Jackson is
entitled to four weeks'  vacation and to participate  in the Company's  medical,
dental,  life and long-term  disability  insurance  and other benefit  programs.
Pursuant to the agreement,  Dr. Jackson was granted stock options to purchase an
aggregate of 500,000  shares of Common Stock at an exercise price of $3.3125 per
share,  exercisable  cumulatively at the rate of 25% per annum commencing August
26,  1997 (one year from the date of grant).  Dr.  Jackson's  employment  may be
terminated  by the Company for cause,  or without  cause upon 60 days' notice by
either the Company or Dr.  Jackson.  In the event Dr.  Jackson's  employment  is
terminated by the Company without cause, or in the event Dr. Jackson  terminates
his employment  following  certain actions by the Company  (including a material
reduction in Dr.  Jackson's  duties or a relocation of the  Company's  principal
executive  offices),  Dr.  Jackson is entitled to a severance  payment  equal to
twelve  months'  of his  base  salary,  payable  in  monthly  installments.  The
agreement contains certain non-competition and confidentiality  provisions,  and
provides that the Company may obtain "key man" life insurance on the life of Dr.
Jackson for the Company's benefit.  Dr. Jackson received a $40,000 signing bonus
upon execution of the agreement.


                                       20
<PAGE>


         In June 1994,  the Company  entered into an employment  agreement  with
Alfonso J. Tobia, Senior Vice President of the Company,  effective July 1, 1994,
providing for a base annual salary of $125,000, to be increased to $150,000 upon
the  redemption  by the  Company  of  its  outstanding  Class  A  Warrants,  and
eligibility for a discretionary bonus up to $25,000. The agreement provides that
Dr. Tobia is eligible to receive  options to purchase  150,000  shares of Common
Stock (which were granted on August 24, 1994), and is eligible to participate in
the Company's  benefit  programs,  which  currently  include a medical  program,
dental/vision insurance and group life insurance.

- - --------------------------------------------------------------------------------

(1)   Item 12.   Security Ownership of Certain Beneficial Owners and Management.

         The following table sets forth as of January 31, 1997  information with
respect to the  beneficial  ownership of the Company's  Common Stock by (i) each
person known by the Company to own  beneficially  more than five percent of such
Common Stock,  (ii) each director of the Company,  (iii) each executive  officer
named in the Summary  Compensation  Table in "Item 11. Executive  Compensation,"
and (iv) all directors and  executive  officers as a group,  together with their
respective percentage ownership of such shares:
<TABLE>
<CAPTION>
                                                                 Shares                Percent
                        Name                               Beneficially Owned        Outstanding

<S>                                                        <C>                      <C>

Richard L. Dunning.................................                   203,595(1)          *
Francis M. O'Connell...............................                    50,000(2)          *
Alfonso, J. Tobia, Ph.D. ..........................                    75,000(2)          *
Donald G. Drapkin .................................                462,500(3)(4)          *
Laurence D. Fink ..................................                450,000(3)(5)          *
Jerome Groopman, M.D. .............................                    50,000(3)          *
Linda G. Robinson .................................                   183,333(3)          *
Eric A. Rose, M.D. ................................                   584,900(6)          *
Lindsay A. Rosenwald, M.D. ........................              6,014,999(3)(7)        10.7%
Michael Weiner, M.D. ..............................                    62,410(3)          *
Paramount Capital Asset
  Management, Inc..................................                 4,049,999(8)        7.4%
  787 Seventh Avenue
  New York, New York 10019
Mellon Bank Corporation............................                 2,865,000(9)
  One Mellon Bank Center
  Pittsburgh, Pennsylvania 15258
All directors and executive
  officers as a group (11) persons) ...............                8,136,737(10)        14.3%
</TABLE>

- - --------------------
*  ......Less than one percent.


                                       21
<PAGE>

(1)      Consists of currently  exercisable  options to purchase  200,000 shares
         owned by Mr. Dunning,  2,095 shares owned by a daughter of Mr. Dunning,
         and 500 shares owned by each of Mr. Dunning's  spouse,  son and another
         daughter,  respectively.  Mr. Dunning disclaims beneficial ownership of
         the shares held by his spouse, son and daughters.

(2)      Consists of currently exercisable options.

(3)      Includes  100,000  shares for Mr. Drapkin and 50,000 shares for each of
         Mr. Fink, Dr. Groopman,  Ms. Robinson,  Dr. Rosenwald and Dr. Weiner of
         restricted  stock  which  vests at the rate of 25% per year  commencing
         June 20, 1997, provided the respective individual continues to serve as
         a director of the Company,  and subject to a non-lapsing right of first
         refusal by the Company.

(4)      Includes currently exercisable options to purchase 262,500 shares.

(5)      Includes  66,666  shares owned by a family trust for the benefit of Mr.
         Fink's children.  Mr. Fink disclaims beneficial ownership of the shares
         held by the family trust.

(6)      Includes currently exercisable options to purchase 262,500 shares.

(7)      Includes  currently  exercisable  options to purchase  1,915,000 shares
         owned by Dr. Rosenwald,  and the 4,049,999 shares beneficially owned by
         Paramount Capital Asset Management, Inc. ("PCAM") (see note (8) below).
         Dr.  Rosenwald serves as President and is sole shareholder of PCAM. Dr.
         Rosenwald  disclaims  beneficial  ownership of the shares  beneficially
         owned by PCAM except to the extent of his pecuniary interest, if any.

(8)      Information  is from a Schedule  13D dated  December  23, 1996 filed by
         PCAM  which is the  investment  manager  of The  Aries  Fund,  a Cayman
         Islands  Trust,  (the "Aries  Trust") and the general  partner of Aries
         Domestic  Fund,  L.P. (the "Aries  Limited  Partnership"),  and reports
         shared voting and dispositive  power of 5,964,999  shares and 2,750,000
         shares,  respectively,  by  the  Aries  Trust  and  the  Aries  Limited
         Partnership.

(9)      Information  is from a Schedule 13G dated  January 24,  1997,  filed by
         Mellon Bank Corporation,  which reflects sole voting power with respect
         to  2,865,000  shares  and  sole  dispositive  power  with  respect  to
         2,750,000 shares.

(10)     See notes (1) - (7).


Item 13.   Certain Relationships and Related Transactions.

         In August 1995,  the Company  entered into a consulting  agreement with
Lindsay A.  Rosenwald,  M.D.,  who was elected a director of the Company in June
1996,  pursuant  to  which  Dr.  Rosenwald  has  agreed  to act  as a  financial
consultant to the Company  pursuant to the terms thereof and the Company granted
Dr. Rosenwald an option to purchase  2,000,000 shares of Common Stock at $.53125
per share (the  closing bid price of the Common Stock on The Nasdaq Stock Market
on the date preceding the date of grant), exercisable through August 6, 1998. In
June 1996, Dr. Rosenwald  transferred  85,000 of the underlying option shares to
other persons.


                                       22
<PAGE>

         In November 1995, the Company  entered into an arrangement  with Donald
G. Drapkin,  a director of the Company,  pursuant to which Mr. Drapkin agreed to
make available to the Company his business and financial  acumen for a five-year
period, and the Company granted Mr. Drapkin an option to purchase 650,000 shares
at $.9375 per share  (the  closing  bid price of the Common  Stock on The Nasdaq
Small Cap Market on the date  preceding the date of grant),  exercisable  at the
rate of 25% of the aggregate  number of underlying  shares per annum  commencing
one year  from the date of  grant.  Concurrently,  the  Company  entered  into a
five-year  consulting  arrangement  with Eric A. Rose,  M.D.,  a director of the
Company,  pursuant  to which Dr. Rose  agreed to provide  scientific  consulting
services to the Company,  and the Company granted Dr. Rose an option to purchase
650,000  shares  at  $.9375  per  share,  exercisable  at the rate of 25% of the
aggregate  number of underlying  shares per annum  commencing  one year from the
date of grant.

         On June 21, 1996, the Company completed a private placement pursuant to
a subscription agreement dated March 21, 1996 to a group of investors (see "Item
5. - Market for Registrant's Securities and Related Stockholder Matters - Recent
Sales of Unregistered Securities"), including the following directors or persons
or entities affiliated with such directors:  (i) Laurence D. Fink, a director of
the Company,  purchased  266,667 shares of Common Stock and 133,333 Common Stock
Purchase Warrants for $400,000,  and a family trust of Mr. Fink purchased 66,666
shares of Common Stock and 33,333 Common Stock  Purchase  Warrants for $100,000;
(ii) Linda G. Robinson,  a director of the Company,  purchased 133,333 shares of
Common Stock and 66,666 Common Stock  Subscription  Warrants for  $200,000;  and
(iii) The Aries Trust Fund, a Cayman Island trust (the "Aries  Trust"),  and The
Aries Domestic Fund,  L.P., a Delaware limited  partnership  ("The Aries Limited
Partnership"  and,  together with the Aries Trust, the "Aries Funds"),  , in the
manner described below, purchased an aggregate of 666,666 shares of Common Stock
and 333,333 Common Stock  Subscription  Warrants for an aggregate of $1,000,000.
Lindsay A. Rosenwald,  M.D., a director of the Company,  serves as President and
is the sole shareholder of the investment manager of the Aries Trust, and serves
as President  and is the sole  shareholder  of the general  partner of the Aries
Limited  Partnership.  Jerome Groopman,  M.D., a director of the Company, , is a
member of the Scientific Advisory Board of the Aries Funds.

         On December 23, 1996, the Company acquired an approximate 68% ownership
interest  in Innovir  pursuant to an  agreement  dated  November  21,  1996,  as
amended,  among the Company and the Aries Funds and an agreement  dated November
21, 1996 between the Company and Innovir. Pursuant to the agreements, as amended
(i) the Aries  Funds,  which owned 4 million  shares of  Innovir's  common stock
prior to the  transaction,  exercised  warrants  and unit  purchase  options  to
purchase an additional 6 million shares, thereby providing $3 million in cash to
Innovir and  resulting in the Aries Funds owning 10 million  shares of Innovir's
common stock;  (ii) the Company  acquired 9.5 million shares of Innovir's common
stock from the Aries Funds for  $3,000,000  in cash and  3,000,000  newly issued
shares of the Company's Common Stock, and (iii) the Company exchanged all of the
capital stock of its  wholly-owned  subsidiary,  VIMRx Holdings Ltd., a Delaware
corporation ("VHL") (to which, prior to closing,  the Company had made a capital
contribution  of  $4,000,000),  for 8.7 million shares of Innovir's  convertible
preferred stock (convertible into 8.7 million shares of Innovir's common stock),
plus five-year  warrants to purchase an additional 2 million shares of Innovir's
common  stock (1 million  shares at an  exercise  price of $1.00 per share and 1
million shares at an exercise price of $2.00 per share).  The Company has agreed
to  file a  registration  statement  (the  "Registration  Statement")  with  the
Securities and Exchange  Commission (the  "Commission") for the public resale of
the 3,000,000  shares of Common Stock issued to the Aries Funds, to use its best
efforts to cause the  Registration  Statement  to be declared  effective  by the



                                       23
<PAGE>

        Commission  under the Securities  Act as soon as practicable  and to use
its best efforts to keep the Registration  Statement effective until the earlier
of the date such shares shall have been  disposed of or the date on which all of
such shares are eligible for sale pursuant to Rule 144 under the Securities Act.
The  acquisition of the 9.5 million shares of Innovir stock from the Aries Funds
was negotiated at arms' length with the Aries Funds and an opinion was issued by
an  independent  investment  banking firm that the  transaction  was fair from a
financial  point  of  view to the  Company  and its  public  shareholders.  Drs.
Rosenwald  and  Groupman  did not  participate  in the  meeting  of the Board of
Directors in which the acquisition was approved.

         On March 7, 1997,  the Company  entered into a research  agreement with
Columbia  University   ("Columbia")   whereby  the  Company,   through  a  newly
established  subsidiary,  VIMRx Genomics,  Inc.  ("Genomics"),  90%-owned by the
Company  and  10%-owned  by  Columbia  University,  will  provide $30 million in
funding to the Columbia Genome Center established by Columbia, with $4.7 million
to be paid  during  the  first  year in  quarterly  installments.  In  exchange,
Genomics will receive an exclusive license to develop, manufacture, use, sell or
market products  resulting from any invention or research  product  developed by
the Columbia Genome Center and funded under the agreement.  Following an initial
five-year term, the agreement  automatically will renew for successive  two-year
terms and, in the absence of an agreement to the contrary, the amount of funding
will  be  increased  at a rate  of 9%  for  every  additional  year.  Under  the
agreement,  the Company agreed to issue  Columbia a one-time  payment of 200,000
shares of Common Stock, and granted  Columbia  "piggyback"  registration  rights
with  respect to such shares  during the period  April 1, 1997 to April 1, 1999.
See "Item 1 - Business - Research  Agreement with Columbia  University." Eric A.
Rose,  M.D.,  a director  of the  Company,  is a  Surgeon-In-Chief  at  Columbia
Presbyterian  Medical  Center in New York,  an affiliate  of  Columbia,  and has
served as Chairman of the Department of Surgery at the College of Physicians and
Surgeons  of  Columbia  since  1994  and  as  a  Director  of  the  Division  of
Cardiothoracic  Surgery of the Department  since 1990.  Michael Weiner,  M.D., a
director of the Company,  is the Hellinger  Professor of Clinical  Pediatrics at
Columbia's College of Physicians and Surgeons,  Director of Pediatric  Oncology,
and is an attending physician at Columbia Presbyterian Medical Center.

         The  Company  believes  that  the  consulting   arrangements  with  Dr.
Rosenwald,  Mr.  Drapkin and Dr. Rose are on terms no less  favorable than could
have been negotiated with unrelated third parties of similar expertise,  and the
research agreement with Columbia was negotiated on an arm's length basis.








PART IV
Item 14.   Exhibits, Financial Statement Schedules, and Reports on Form 8-K.

(a)      Lists.

         1.  See Index to Financial Statements on page F-1.

         2.  See Item 8 regarding financial statement schedules.

         3.  Exhibits.


                                       24
<PAGE>


        Exhibit
        Number       Description

        2.2a         Copy of Agreement  dated November 21, 1996 (the "Aries 
                     Agreement") by and among the Company and The Aries Domestic
                     Fund, L.P. (1)
        2.2b         Copy of Amendment to the Aries Agreement dated December 23,
                     1996 by and among the Company and the Aries Fund and The 
                     Aries Domestic Fund, L.P. (1)
        2.3          Copy of Agreement dated November 21, 1996 by and between 
                     the Registrant and Innovir Laboratories, Inc. (1)
        4.4          Copy of Warrant Agreement dated June 17, 1996 between the 
                     Company and American Stock Transfer & Trust Company.
        10.3         Copy of the Company's Amended and Restated 1990 Incentive
                     and Non-Incentive Stock Option Plan, as amended through 
                     February 22, 1997.*
        10.9         Copy of Employment letter agreement dated June 21, 1994
                     between the Company and Alfonso J. Tobia.* (2)
        10.11        Copy of the Company's 1995 Outside  Directors  Stock Option
                     Plan.*(3)
        10.12        Copy of letter  agreement  dated  August 7, 1995  between
                     the Company and Lindsay A. Rosenwald, M.D. (3)
        10.13        Copy of Stock Option Agreement dated August 7, 1995 between
                     Registrant and Lindsay A. Rosenwald, M.D. (3)
        10.14        Copy of Consulting and Stock Option Agreement dated 
                     November 17, 1995 between the Company and Eric A. Rose,M.D.
                     (3)
        10.15        Copy of Stock Option Agreement dated November 17, 1995
                     between the Company and Donald G. Drapkin. (3)
        10.16        Copy of the Company's 1996 Non-Employee Director Restricted
                     Stock Award Plan.* (3)
        10.17        Copy of Registration Rights Agreement dated December 23,
                     1996, between Registrant and The Aries Fund and The Aries
                     Domestic Fund, L.P. (1)
        10.18        Copy of Research Agreement dated as of March 7, 1997 among
                     the Company, The Trustees of Columbia University in the 
                     City of New York and VIMRx Genomics, Inc. (4)
        10.19        Copy of the Company's 1997 Incentive and Non-Incentive 
                     Stock Option Plan, together with forms of stock option
                     agreements.*
        10.20        Copy of Employment Agreement date October 30, 1996 between
                     the Company and Richard L. Dunning.*
        10.21        Copy of Employment Agreement dated  August 26, 1996 between
                     the Company and David A. Jackson, Ph.D.*



                                       25
<PAGE>

        21           List of Subsidiaries.
        23           Consent of Richard A. Eisner & Company, LLP.

- - ----------
*        Denotes  management   contract  or  compensatory  plan  or  arrangement
         required to be filed as an exhibit to this Annual Report on Form 10-K.




- - --------------------------------------------------------------------------------

(1)      Filed as the same numbered  Exhibit to the Company's  Current Report on
         Form 8-K  (Commission  File No.  0-19153)  filed  January  3,  1997 and
         incorporated herein by reference thereto.

(2)      Filed as the same numbered  Exhibit to the  Company's  Annual Report on
         Form 10-K for the year ended  December  31, 1994  (Commission  File No.
         0-19153) and incorporated herein by reference.

(3)      Filed as the same numbered  Exhibit to the  Company's  Annual Report on
         Form 10-K for the year ended  December  31, 1995  (Commission  File No.
         0-19153) and incorporated herein by reference thereto.

(4)      Filed as the same numbered  Exhibit to the Company's  Current Report on
         Form 8-K  (Commission  File  No.  0-19153)  filed  March  21,  1997 and
         incorporated herein by reference thereto.

(b)      Reports on Form 8-K.

         None.




                                       26
<PAGE>

>




                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                        (a development stage enterprise)

                          INDEX TO FINANCIAL STATEMENTS


                                                                   PAGE
                                                                  NUMBER


REPORT OF INDEPENDENT AUDITORS                                     F-2


CONSOLIDATED BALANCE SHEETS AS AT DECEMBER 31,
1996 AND DECEMBER 31, 1995                                         F-3


CONSOLIDATED STATEMENTS OF OPERATIONS FOR
EACH OF THE YEARS IN THE THREE-YEAR PERIOD ENDED
DECEMBER 31, 1996 AND FOR THE PERIOD
FROM DECEMBER 30, 1986 (INCEPTION) TO
DECEMBER 31, 1996                                                  F-4


CONSOLIDATED STATEMENTS OF CHANGES IN
SHAREHOLDERS' EQUITY FOR EACH OF THE YEARS
IN THE TEN-YEAR PERIOD FROM DECEMBER 30, 1986
(INCEPTION) TO DECEMBER 31, 1996                                   F-5


CONSOLIDATED STATEMENTS OF CASH FLOWS FOR
EACH OF THE YEARS IN THE THREE-YEAR PERIOD ENDED
DECEMBER 31, 1996 AND FOR THE PERIOD
FROM DECEMBER 30, 1986 (INCEPTION)
TO DECEMBER 31, 1996                                               F-8


NOTES TO FINANCIAL STATEMENTS                                      F-9


                                      F-1
<PAGE>
                         REPORT OF INDEPENDENT AUDITORS




Board of Directors and Stockholders
VIMRx Pharmaceuticals Inc.
Wilmington, Delaware


     We have  audited  the  accompanying  consolidated  balance  sheets of VIMRx
Pharmaceuticals  Inc. and  subsidiaries (a development  stage  enterprise) as at
December 31, 1996 and December 31, 1995, and the related consolidated statements
of operations,  changes in  shareholders'  equity and cash flows for each of the
years in the three-year  period ended December 31, 1996 and the amounts for such
years included in the period December 30, 1986 (inception) to December 31, 1996.
These consolidated  financial statements are the responsibility of the Company's
management.  Our  responsibility is to express an opinion on these  consolidated
financial statements based on our audits.

     We conducted  our audits in accordance  with  generally  accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

     In our opinion, the financial  statements  enumerated above present fairly,
in  all  material  respects,   the  consolidated  financial  position  of  VIMRx
Pharmaceuticals  Inc.  and  subsidiaries  at December  31, 1996 and December 31,
1995, and the consolidated  results of their  operations and their  consolidated
cash flows for each of the years in the  three-year  period  ended  December 31,
1996 in conformity with generally accepted accounting principles.



Richard A. Eisner & Company, LLP

New York, New York
March 14, 1997
                                      F-2
<PAGE>
<TABLE>
<CAPTION>

                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                        (a development stage enterprise)

                           CONSOLIDATED BALANCE SHEETS

                                                         December 31,
                                                     1996                1995
                ASSETS

Current assets:
 <S>                                           <C>                 <C>

     Cash and cash equivalents                 $   8,611,000        $  2,219,000
     Short-term investments                       38,300,000
     Deferred finance costs                                              310,000
     Other current assets                            348,000              96,000
                                                 -----------          ----------
              Total current assets                47,259,000           2,625,000
Equipment - net                                    2,650,000             108,000
Notes receivable                                                         225,000
Marketable equity securities                         286,000
Other assets                                         261,000
Goodwill                                           1,236,000
                                                ------------        ------------
              T O T A L                         $ 51,692,000        $  2,958,000
                                                ============        ============
<CAPTION>
                                       LIABILITIES

Current liabilities:
<S>                                             <C>                 <C>

     Accounts payable and accrued expenses      $  1,903,000       $     432,000
     Innovir note payable - warrantholder;
        current portion includes accrued
        interest of $5,000                            36,000
     Notes payable                                                     1,802,000
     Capital lease - current portion                 472,000
                                                   ---------           ---------
              Total current liabilities            2,411,000           2,234,000



Innovir note payable - warrantholder,
includes accrued interest
     of $39,000                                      227,000
Capital leases                                       463,000
Other liabilities                                                        464,000
                                                   ---------          ----------
              Total liabilities                    3,101,000           2,698,000
                                                   ---------           ---------

Minority interest in subsidiary                    2,381,000
                                                   ---------

Contingencies, commitments and other matters
     (Notes 4, 10, 11, 13, 14 and 16)
<CAPTION>
                                   SHAREHOLDERS' EQUITY
<S>                                             <C>                 <C>
Common stock; $0.001 par value, 120,000,000 shares
     authorized, 54,429, 887 and 19,894,576 shares
     issued and outstanding at December 31, 1996
     and December 31, 1995, respectively              54,000             20,000
Additional paid-in capital                        89,478,000         23,244,000
Unearned compensation                               (800,000)          (493,000)
Unrealized (loss) on investment                     (143,000)
Cumulative translation adjustment                     (8,000)
Deficit accumulated during the development stage (42,371,000)       (22,511,000)
                                                 -----------        ----------- 
              Total shareholders' equity          46,210,000            260,000
                                                  ----------            -------

              T O T A L                         $ 51,692,000       $  2,958,000
                                                ============       ============
</TABLE>

   The accompanying notes to financial statements are an integral part hereof.

                                     F-3
<PAGE>



                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                        (a development stage enterprise)

                      CONSOLIDATED STATEMENTS OF OPERATIONS


<TABLE>
<CAPTION>

                                                                                                                   December 30,1986
                                                                                                                    (Inception) to
                                                                       Year Ended December 31,                        December 31,
                                                                  1996              1995              1994               1996
                                                                  ----              ----              ----               ----
Operating expenses:
    <S>                                                     <C>                <C>               <C>                 <C>
    Research and development                                 $ 2,950,000       $ 2,840,000       $ 1,463,000         $15,939,000
    Purchased research and development (net
       of gain on sale of subsidiary of $2,889,000)           14,484,000                                              14,484,000
    General and administrative                                 4,300,000         2,272,000         1,646,000          13,782,000
                                                               ---------         ---------         ---------          ----------
                                                              21,734,000         5,112,000         3,109,000          44,205,000
                                                              ----------         ---------         ---------          ----------

Other (income) expenses:
    Royalty payments                                             100,000           100,000           100,000             300,000
    Interest (income)                                         (1,792,000)         (160,000)         (189,000)         (2,951,000)
    Interest expense                                             329,000             2,000                               413,000
    Provision for losses on notes receivable                                                                             135,000
    Investment in and advances to research and
       development entities charged to expense                                     185,000           515,000             700,000
    Minority interest in net loss of consolidated
       subsidiary                                               (116,000)                                               (116,000)

    Other - net                                                 (395,000)            1,000            74,000            (315,000)
                                                                --------             -----            ------            -------- 

                                                              (1,874,000)          128,000           500,000          (1,834,000)
                                                              ----------           -------           -------          ---------- 

NET LOSS                                                     $19,860,000       $ 5,240,000       $ 3,609,000         $42,371,000
                                                             ===========       ===========       ===========         ===========

NET LOSS PER SHARE                                               $0.50              $0.27             $0.19
                                                                 =====              =====             =====

WEIGHTED AVERAGE NUMBER OF SHARES OF COMMON STOCK
    OUTSTANDING                                               39,398,644         19,747,595       19,066,754
                                                              ==========         ==========       ==========

</TABLE>

   The accompanying notes to financial statements are an integral part hereof.

                                      F-4
<PAGE>



<TABLE>
<CAPTION>

                                                                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                                                                        (a development stage enterprise)

                                                               CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY

                                                       FOR THE PERIOD FROM DECEMBER 30, 1986 (INCEPTION) TO DECEMBER 31, 1996



                                                         Preferred  Stock                    Treasury Stock
                                             ----------------------------------------     ---------------------
                                                 Series A               Series B                                    Common Stock
                                             ----------------     -------------------      Common                -------------------
                                             Shares    Amount     Shares       Amount      Shares     Amount     Shares       Amount
                                             ------    ------     ------       ------      ------     ------     ------       ------

<S>                                          <C>      <C>         <C>          <C>         <C>        <C>       <C>        <C>

 Balance - December 30, 1986
 Issuance of common stock ($.02 a                                                                                1,066,158  $ 1,000
  share)                                                                                                         ---------  -------
 Net (loss) for year

 Balance - December 31, 1987                                                                                     1,066,158    1,000
 Reverse stock split of one for ten                                                                              (959,543)   (1,000)
 shares
 Return of capital to adjust purchase
 price for effect
     of reverse stock split
 Issuance of common stock ($.03 a                                                                                  876,295    1,000
 share)
 Purchase of treasury stock ($.03 a                                                        (1,797)
 share)
 Sale of treasury stock ($.03 a share)                                                       1,797
 Issuance of Series A preferred stock       600,000   $ 6,000
 ($1.07 a share)
 Issuance of Series B preferred stock
 ($2.58495 a share)
     and related warrants                                           773,709   $  8,000
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1988                600,000     6,000       773,709      8,000       - 0 -   $  - 0 -      982,910    1,000

 Purchase of treasury stock ($.03 a                                                      (242,611)    (8,000)
 share)
 Issuance of common stock ($.50 a                                                                                   6,888     3,000
 share)
 Issuance of common stock (.03 share)                                                                              55,928
 Issuance of Series B preferred stock
 ($2.58495 a share)
     and related warrants                                           604,461      6,000
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1989                600,000     6,000     1,378,170     14,000   (242,611)    (8,000)    1,045,726    1,000
 Purchase of treasury stock ($.03 a                                                        (7,188)
 share)
 Conversion of bridge loan plus
 accrued interest in
     common stock                                                                                                2,117,782    2,000
 Issuance of common stock (average
 price of $.05
     a share)                                                                                                      161,063
 Recapitalization                         (600,000)   (6,000)   (1,378,170)   (14,000)     249,799      8,000    1,435,858    2,000
 Initial public offering - net ($5.00
 a unit)
     ($1.00 per share)                                                                                            5,750,000   6,000
 Issuance of  common stock ($.50 a                                                                                  18,010
 share)
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ----------  -------
 Balance - December 31, 1990 (carried         - 0 -     - 0 -         - 0 -      - 0 -       - 0 -      - 0 -    10,528,439  11,000
 forward)

 (continued)



<PAGE>

<CAPTION>

                                                                                                        Deficit
                                                                                                      Accumulated
                                          Additional                    Unrealized     Cumulative        During
                                            Paid-in       Unearned       (Loss) on     Translation    Development
                                            Capital     Compensation    Investments       Stage        Adjustment
                                            -------     ------------    -----------    -----------     ----------
<S>                                     <C>              <C>            <C>             <C>           <C>
 Balance - December 30, 1986
 Issuance of common stock ($.02 a        $  17,000
 share)
 Net (loss) for year                                                                                 $   (106,000)
                                        ------------      -----------    -----------     ----------   -------------

 Balance - December 31, 1987                 17,000                                                      (106,000)
 Reverse stock split of one for ten           1,000
 shares
 Return of capital to adjust purchase
 price for effect
     of reverse stock split                 (14,000)
 Issuance of common stock ($.03 a            28,000
 share)
 Purchase of treasury stock ($.03 a
 share)
 Sale of treasury stock ($.03 a share)
 Issuance of Series A preferred stock       637,000
 ($1.07 a share)
 Issuance of Series B preferred stock
 ($2.58495 a share)
     and related warrants                 1,992,000
 Net (loss) for year                                                                                    (1,046,000)
                                        ------------      -----------    -----------     ----------   -------------
 Balance - December 31, 1988              2,661,000                                                     (1,152,000)
 Purchase of treasury stock ($.03 a
 share)
 Issuance of common  stock ($.50 a share)    3,000
 Issuance of common  stock ($.03 share)      2,000
 Issuance of Series B preferred stock
 ($2.58495 a share) and related warrants 1,557,000
 Net (loss) for year                                                                                   (2,531,000)
                                        ------------      -----------    -----------     ----------    -----------
 Balance - December 31, 1989              4,223,000                                                    (3,683,000)
 Purchase of treasury stock ($.03 a
 share)
 Conversion of bridge loan plus
 accrued interest in
     common stock                           928,000
 Issuance of common stock (average
 price of $.05 a share)                       7,000
 Recapitalization                            10,000
 Initial public offering - net ($5.00
 a unit)($1.00 per share)                 4,540,000
 Issuance of  common stock ($.50 a            9,000
 share)
 Net (loss) for year                                                                                    (2,988,000)
                                          ------------      -----------    -----------     ----------   ----------
 Balance - December 31, 1990 (carried      9,717,000                                                    (6,671,000)
 forward)
                                      F-5
<CAPTION>
<PAGE>

 (continued)

                                                                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                                                                        (a development stage enterprise)

                                                               CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY

                                                       FOR THE PERIOD FROM DECEMBER 30, 1986 (INCEPTION) TO DECEMBER 31, 1996
                                                                                  (continued)

                                                        Preferred  Stock                    Treasury Stock
                                             ----------------------------------------     ---------------------
                                                 Series A               Series B                                    Common Stock
                                             ----------------     -------------------      Common                -------------------
                                             Shares    Amount     Shares       Amount      Shares     Amount     Shares       Amount
                                             ------    ------     ------       ------      ------     ------     ------       ------
<S>                                          <C>      <C>         <C>          <C>         <C>        <C>       <C>        <C>
 Balance - December 31, 1990 (brought         - 0 -  $ - 0 -          - 0 -  $  - 0 -        - 0 -    $ - 0 -  10,528,43     $11,000
 forward)
 Exercise of options ($.30 a share)                                                                                   500
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1991                  - 0 -     - 0 -         - 0 -      - 0 -       - 0 -      - 0 -   10,528,939    11,000
 Issuance of common stock in public
 offering - net
     ($5,000 a unit) ($2.20 per share)                                                                           3,139,500     4,000
 Exercise of options and warrants -                                                                                412,754
 net ($.30 - $.50 per share)
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1992                  - 0 -     - 0 -         - 0 -      - 0 -       - 0 -      - 0 -   14,081,193    15,000
 Exercise of options and warrants -                                                                                 27,683
 net ($.30 - $.50 per share)
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1993                  - 0 -     - 0 -         - 0 -      - 0 -       - 0 -      - 0 -   14,108,876    15,000
 Issuance of common stock in public
 offering - net
     ($5,000 a unit) ($2.20 per share)                                                                           5,393,200     5,000
 Exercise of warrants - net ($1.50 per                                                                                 500
 share)
 Issuance of common stock for services                                                                             240,000
 ($0.3125 per share)
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1994                  - 0 -     - 0 -         - 0 -      - 0 -       - 0 -      - 0 -   19,742,576    20,000
 Exercise of warrants - net ($1.50 per                                                                               2,000
 share)
 Exercise of options ($0.4375 per                                                                                  150,000
 share)
 Value of options issued to consultants
 Value assigned to warrants issued in
 private
     placement of debt securities
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------    -----
 Balance - December 31, 1995 (carried         - 0 -     - 0 -         - 0 -      - 0 -       - 0 -      - 0 -   19,894,576    20,000
 forward)

 (continued)



<CAPTION>
                                         


                                                                                                        Deficit
                                                                                                      Accumulated
                                          Additional                    Unrealized     Cumulative        During
                                            Paid-in       Unearned       (Loss) on     Translation    Development
                                            Capital     Compensation    Investments       Stage        Adjustment
                                            -------     ------------    -----------    -----------     ----------
 <S>                                     <C>              <C>            <C>             <C>           <C>
 Balance - December 31, 1990 (brought      $ 9,717,000                                               $  (6,671,000)
 forward)
 Exercise of options ($.30 a share)
 Net (loss) for year                                                                                    (2,016,000)
                                          ------------   -----------    -----------     ----------    -----------
 Balance - December 31, 1991                 9,717,000                                                  (8,687,000)
 Issuance of common stock in public
 offering - net
     ($5,000 a unit) ($2.20 per share)       5,706,000
 Exercise of options and warrants -            489,000
 net ($.30 - $.50 per share)
 Net (loss) for year                                                                                    (2,451,000)
                                          ------------   -----------    -----------     ----------    -----------
 Balance - December 31, 1992                15,912,000                                                 (11,138,000)
 Exercise of options and warrants -             17,000
 net ($.30 - $.50 per share)
 Net (loss) for year                                                                                    (2,524,000)
                                          ------------   -----------    -----------     ----------    -----------
 Balance - December 31, 1993                15,929,000                                                 (13,662,000)
 Issuance of common stock in public
 offering - net
     ($5,000 a unit) ($2.20 per share)       6,380,000
 Exercise of warrants - net ($1.50 per
 share)
 Issuance of common stock for services          75,000
 ($0.3125 per share)
 Net (loss) for year                                                                                    (3,609,000)
                                          ------------   -----------    -----------     ----------    -----------
 Balance - December 31, 1994                22,384,000                                                 (17,271,000)
 Exercise of warrants - net ($1.50 per           3,000
 share)
 Exercise of options ($0.4375 per               65,000
 share)
 Value of options issued to consultants        591,000     $(493,000)
 Value assigned to warrants issued in
 private
     placement of debt securities              200,000
 Net (loss) for year                                                                                    (5,240,000)
                                          ------------   -----------    -----------     ----------    -----------
 Balance - December 31, 1995 (carried       23,243,000      (493,000)                                  (22,511,000)
 forward)

 (continued)

                                      F-6
<PAGE>
<CAPTION>


                                                                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                                                                        (a development stage enterprise)

                                                               CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY

                                                       FOR THE PERIOD FROM DECEMBER 30, 1986 (INCEPTION) TO DECEMBER 31, 1996
                                                                                  (continued)

                                                        Preferred  Stock                    Treasury Stock
                                             ----------------------------------------     ---------------------
                                                 Series A               Series B                                    Common Stock
                                             ----------------     -------------------      Common                -------------------
                                             Shares    Amount     Shares       Amount      Shares     Amount     Shares       Amount
                                             ------    ------     ------       ------      ------     ------     ------       ------
<S>                                          <C>      <C>         <C>          <C>         <C>        <C>       <C>        <C>
 Balance - December 31, 1995 (brought         - 0 -  $ - 0 -        - 0 -  $  - 0 -        - 0 -    $ - 0 -   19,894,576    $20,000
 forward)
 Exercise of warrants ($1.50 per
 share) (net of $712,000
     expense)                                                                                                 13,907,015     14,000
 Exercise of warrants ($2.25 per
 share) (net of
     $1,275,000 expense)                                                                                      14,210,315     14,000
 Issuance of common stock in private
 placement
     ($1.50 per unit) (net of $142,000                                                                         2,799,991      3,000
     expense)
 Issuance of warrants in connection
 with acquisition  of Ribonetics
 Exercise of options ($.50 - $1.16 per                                                                          217,990
 share)
 Issuance of restricted stock to                                                                                400,000
 nonemployee directors
 Issuance of shares in connection with
 acquisition of Innovir ($3 per share)                                                                         3,000,000      3,000
 Compensatory stock options
 Translation adjustment
 Unrealized (loss) on investments
 Net (loss) for year
                                            -------     -----       -------      -----     -------    -------    ---------  -------
 Balance - December 31, 1996                 - 0 -    $ - 0 -        - 0 -    $  - 0 -       - 0 -    $ - 0 -   54,429,887  $54,000
                                            =======     =====       =======      =====     =======    =======   ==========  =======


<CAPTION>



                                                                                                        Deficit
                                                                                                      Accumulated
                                          Additional                    Unrealized     Cumulative        During
                                            Paid-in       Unearned       (Loss) on     Translation    Development
                                            Capital     Compensation    Investments       Stage        Adjustment
                                            -------     ------------    -----------    -----------     ----------
 <S>                                     <C>              <C>            <C>             <C>           <C>
 Balance - December 31, 1995 (brought      $23,243,000     $(493,000)                                 $(22,511,000)
 forward)
 Exercise of warrants ($1.50 per
 share) (net of $712,000 expense)          20,135,000
 Exercise of warrants ($2.25 per
 share) (net of
     $1,275,000 expense)                    30,684,000
 Issuance of common stock in private
 placement
     ($1.50 per unit) (net of $142,000       4,055,000
     expense)
 Issuance of warrants in connection
 with acquisition
     of Ribonetics                           1,562,000
 Exercise of options ($.50 - $1.16 per         195,000
 share)
 Issuance of restricted stock to               400,000      (347,000)
 nonemployee directors
 Issuance of shares in connection with
 acquisition
     of Innovir ($3 per share)               8,997,000
 Compensatory stock options                    207,000       40,000
 Translation adjustment                                                                    $(8,000)
 Unrealized (loss) on investments                                        $(143,000)
 Net (loss) for year                                                                                   (19,860,000)
                                          ------------    -----------    -----------       --------   -------------

 Balance - December 31, 1996               $89,478,000     $(800,000)     $(143,000)        $(8,000)   $(42,371,000)
                                           ===========     =========      =========         =======    ============ 

                                      F-7
</TABLE>
the accompanying notes to financial statements are an integral part hereof.


<PAGE>


<TABLE>
<CAPTION>
                                                                                                                F-8

                                              VIMRx PHARMACEUTICALS INC. and Subsidiaries
                                                   (a development stage enterprise)

                                                 CONSOLIDATED STATEMENTS OF CASH FLOWS

                                                                                                                   December 30, 1986
                                                                              Year Ended December 31,                  Inception) to
                                                                    ------------------------------------------         December 31,
                                                                       1996             1995             1994              1996
                                                                       ----             ----             ----              ----
<S>                                                                <C>              <C>              <C>              <C>

Cash flows from operating activities:
    Net (loss)                                                     $(19,860,000)     $(5,240,000)     $(3,609,000)     $(42,371,000)
    Adjustments to reconcile net (loss) to net cash
      (used in) operating activities:
        Depreciation and amortization                                   155,000           24,000           10,000           254,000
        Amortization of debt discount                                   198,000            2,000                            200,000
        Interest expense settled through issuance of stock                                                                   72,000
        Consulting fees settled through issuance of stock                                                  75,000            75,000
        Research and development expenses to be
          settled through the issuance of stock                        (464,000)         464,000
        Provision for losses on notes receivable                                                                            135,000
        Investment in and advances to research and
          development entities charged to expense                                        185,000          515,000           700,000
        (Gain) on sale of subsidiaries                               (2,889,000)                                         (2,889,000)
        Noncash compensation                                            481,000           98,000                            579,000
        Purchased in process research and development                17,374,000                                          17,374,000
        Loss from disposal of equipment                                  12,000                                              20,000
        Deferred financing cost                                         310,000                                             310,000
        Minority interest in net loss                                  (116,000)                                           (116,000)
        Changes in operating assets and liabilities:
          Decrease in prepayments under research
            contracts                                                                     47,000            8,000
          (Increase) in organization costs                                                                                   (3,000)
          (Increase) decrease in other current assets
            and other assets                                           (103,000)           69,000        (110,000)         (199,000)
          Increase (decrease) in accounts payable and
            accrued expenses                                           (265,000)         266,000            1,000           116,000
                                                                      ----------       ----------       ----------       -----------
            Net cash (used in) operating activities                  (5,167,000)      (4,085,000)      (3,110,000)      (25,743,000)
                                                                      ----------       ----------       ----------       -----------

Cash flows from investing activities:
    Net (purchases) sales of short-term investments                 (38,279,000)        2,590,000        (588,000)      (38,279,000)
    Payment for acquisition, net of cash acquired                    (2,011,000)                                         (2,011,000)
    Purchase of marketable securities                                  (450,000)                                           (450,000)
    Purchases of equipment                                             (802,000)         (50,000)         (71,000)       (1,040,000)
    Proceeds from sale of equipment                                      12,000                                              39,000
    Loans to DNA Pharmaceuticals, Inc.                                                                                     (296,000)
    Repayment of DNA Pharmaceuticals, Inc. loans                                                                            161,000
    Loans to Ribonetics GmbH                                                                            (600,000)          (600,000)
    Investment in and loan to CambES, Ltd.                                             (100,000)        (225,000)          (325,000)
                                                                    -----------        ---------       ----------       ----------- 
            Net cash provided by (used in) investing
              activities                                            (41,530,000)       2,440,000       (1,484,000)      (42,801,000)

                                                                    -----------        ---------       ----------       ----------- 

Cash flows from financing activities:
    Proceeds from sales of preferred and
      common stock, net                                               4,058,000                         6,450,000        24,836,000
    Proceeds from issuance of common stock in
      connection with the exercise of warrants/options               51,042,000           69,000            1,000        51,111,000
    Purchase of treasury stock                                                                                               (8,000)
    Proceeds from bridge loans                                                         1,740,000                          3,141,000
    Repayment of bridge loans                                        (2,000,000)                                         (2,500,000)
    Issuance of convertible demand notes payable                                                                            600,000
    Return of capital                                                                                                       (14,000)
                                                                     ----------        ---------        ---------        ----------
            Net cash provided by financing activities                53,100,000        1,809,000        6,451,000        77,166,000
                                                                     ----------        ---------        ---------        ----------

Effect of exchange rate changes on cash                                 (11,000)                                            (11,000)
                                                                        -------                                             ------- 

NET INCREASE IN CASH AND CASH
    EQUIVALENTS                                                       6,392,000          164,000        1,857,000         8,611,000
                                                                    
Cash and cash equivalents at beginning of period                      2,219,000        2,055,000          198,000
                                                                      ---------        ---------         ---------        ----------
CASH AND CASH EQUIVALENTS AT END OF
    PERIOD                                                         $  8,611,000      $ 2,219,000      $ 2,055,000     $   8,611,000
                                                                   ============      ===========      ===========     =============

Supplemental disclosure of cash flow information:
    Cash paid for interest                                         $    124,000                                       $     124,000
    For noncash transactions see Notes 2, 7 and 11.
</TABLE>

   The accompanying notes to financial statements are an integral part hereof.

                                   F-8
<PAGE>


                   VIMRx PHARMACEUTICALS INC. and Subsidiaries
                        (a development stage enterprise)

                          NOTES TO FINANCIAL STATEMENTS




(continued)

                                                               

Note 1 - The Business:

     VIMRx Pharmaceuticals Inc. ("VIMRx") is a development stage company focused
on   identifying,   evaluating,   acquiring   and   commercializing   scientific
technologies  to be developed  by the Company in  partnership  with others.  The
Company is engaged in developing therapeutic and related products form synthetic
hypericin  principally for the treatment of viral and retroviral  diseases.  The
Company  also  owns   approximately   68%  of  the  capital   stock  of  Innovir
Laboratories,   Inc.   ("Innovir")   (see  below)   which,   together  with  its
subsidiaries,  is engaged in the research and  development of oligozymes,  a new
class of  biopharmaceutical  agents for the  treatment  of a wide array of human
diseases.

     In January 1995, to complement and diversify its potential  hypericin-based
product line,  VIMRx,  through its  subsidiary,  VIMRx Holdings,  Ltd.  ("VHL"),
acquired a worldwide  exclusive license from Ribonetics GmbH  ("Ribonetics"),  a
German  company.  The  worldwide  exclusive  license  gives  VHL  the  right  to
commercialize and exploit oligozymes for pharmaceutical and diagnostic products.
On May  23,  1996,  VHL  acquired  100%  of the  outstanding  capital  stock  of
Ribonetics (see Note 2[b]).

     On December 23, 1996, VIMRx and Innovir and certain shareholders of Innovir
entered  into  a  series  of  agreements  (the   "Transaction")   whereby  VIMRx
effectively  acquired 68% of Innovir and Innovir  acquired all of the issued and
outstanding  shares of VHL, a wholly  owned  subsidiary  of VIMRx.  As discussed
further in Note 2, for financial  reporting  purposes,  the Transaction has been
accounted for as a partial sale of VHL to Innovir and a partial  acquisition  of
Innovir. In connection  therewith,  the purchase price has been allocated to net
tangible assets, purchased in-process research and development and goodwill. The
purchased  in-process  research and development  was charged to operations.  The
accompanying  consolidated  financial  statements include the accounts of VIMRx,
Innovir  and  all  subsidiaries  which  are  wholly  owned  (collectively,   the
"Company").

     The Company is subject to those risks  associated  with  development  stage
companies.  All of the Company's  efforts to date have been devoted to acquiring
technology,  research  and  development,  setting up  laboratories  and  raising
capital.  The Company does not yet generate any revenues from product sales. The
Company has research  laboratories in the United States,  the United Kingdom and
Germany.  In  addition,   research  and  development  and  clinical  trials  are
contracted to independent institutions in the United States and elsewhere.

                                      F-9
<PAGE>


Note 2 - Acquisitions:


[a]  Transactions to acquire 68% of Innovir Laboratories, Inc.:

     As discussed in Note 1, VIMRx,  Innovir and certain stockholders of Innovir
(the "Aries Funds") entered into the  Transaction  whereby VIMRx acquired 68% of
Innovir and Innovir  acquired 100% of the  outstanding  capital stock of VHL. In
consideration of the acquisition of VHL,  Innovir,  on December 23, 1996, issued
8,666,666  shares of a newly  designated  series  of  preferred  stock,  Class D
convertible  preferred  stock and warrants to purchase two million shares of the
Innovir's common stock. The warrants expire after five years. The exercise price
for one million  warrants is $1.00 per share; the remaining one million warrants
have an exercise price of $2.00 per share.

     Simultaneously with Innovir's acquisition of VHL, VIMRx, in exchange for $3
million and three million shares of VIMRx's  common stock,  acquired 9.5 million
shares of Innovir's  common stock from the Aries Funds.  In addition,  VIMRx and
the Aries Funds entered into an agreement  whereby  VIMRx  obtained the right to
vote 500,000 shares of Innovir's  common stock held by the Aries Funds,  thereby
effectively  giving VIMRx voting control of an aggregate of 18,666,666 shares of
Innovir's stock.

     VIMRx's  partial  acquisition of Innovir and Innovir's  acquisition of VHL,
have been  accounted  for as a purchase in  accordance  with APB Opinion No. 16,
"Business  Combinations" ("APB No. 16") and Emerging Issues Task Force Issue No.
90-13,  "Accounting for Simultaneous Common Control Mergers" ("EITF No. 90-13").
The  application of APB No. 16 and EITF No. 90-13 requires that the  Transaction
be  accounted  for as a  partial  sale of VHL to the  minority  shareholders  of
Innovir and a partial acquisition of Innovir.  VIMRx's purchase price of its 68%
of Innovir  totaled  approximately  $17 million.  Of the total  purchase  price,
approximately  $3.7 million was  allocated to tangible  assets,  $1.8 million to
liabilities,  $13.8 million to purchased in-process research and development and
the balance to goodwill.  Technological  feasibility of the purchased in-process
research and development has not yet been  established and the technology has no
alternative  future use. In connection with the partial sale of VHL, the Company
recorded a gain on $2.8 million which has been included with purchased  research
and development  expense.  The accompanying  statement of operations include the
operations of Innovir from December 23, 1996 to December 31, 1996.

[b]  Acquisition of Ribonetics:

     During  1996,  VHL  acquired  100%  of the  outstanding  capital  stock  of
Ribonetics in consideration for approximately $1.6 million of cash and a warrant
to purchase  365,000 shares of VIMRx's common stock at an exercise price of $.01
per share (the "Acquisition").  The Company valued the warrants at approximately
$1,562,000.  The  Acquisition  has  been  accounted  for as a  purchase  and the
operating  results of the  Company  include  those of  Ribonetics  for the seven
months  ended  December  31,  1996.   The  total   purchase   price   aggregated
approximately   $3.7  million  and  has  been  allocated  to  tangible   assets,
liabilities  and  purchased  in-process  research and  development  of $475,000,
$289,000 and $3,528,000,

                                      F-10
<PAGE>


Note 2 - Acquisitions:  (continued)

[b]  Acquisition of Ribonetics:  (continued)

     respectively.  It was  determined  at the  date  of  acquisition  that  the
purchased  in-process  research and  development  had not reached  technological
feasibility and that the technology had no alternative future use.

[c]  Pro forma results of operations (unaudited):

     The following pro forma unaudited  results of operations have been prepared
as if the Transaction  and the  Acquisition  discussed above had occurred at the
beginning of the respective periods ended December 31.
<TABLE>
<CAPTION>

                                               Year Ended December 31,
                                              1996               1995
                                                     (Unaudited)
          <S>                           <C>                <C>

          Revenues                        $ 2,089,000       $    470,000

          Expenses                         17,367,000         12,021,000
                                           ----------         ----------

          Net loss                        $15,278,000        $11,551,000
                                          ===========        ===========

          Net loss per share                 $0.36              $0.51
                                             =====              =====
</TABLE>

     The pro forma  results of  operations  above  include  adjustments  for the
amortization  of  intangibles  and  exclude   nonrecurring  charges  related  to
purchased  in-process  research and development arising from the Transaction and
the Acquisition.

     The pro forma financial  information is not  necessarily  indicative of the
operating  results  that  would  have  occurred  had  the  Transaction  and  the
Acquisition been consummated at the beginning of the respective periods, nor are
they necessarily indicative of future operating results.

                                      F-11
<PAGE>

Note 3 - Summary of Significant Accounting Policies:

[a]  Consolidation:

        The accompanying  consolidated financial statements include the accounts
of VIMRx,  Innovir and all subsidiaries  which are wholly owned. All significant
inter-company balances and transactions have been eliminated.

[b]  Research and development:

        Research and development costs are charged to expense as incurred.

[c]  Foreign currency translation:

        Financial  statements of foreign  subsidiaries  are translated into U.S.
dollars  at the  exchange  rate  at each  balance  sheet  date  for  assets  and
liabilities and a weighted  average  exchange rate for each period for revenues,
expenses  and gains and  losses.  Where the  local  currency  is the  functional
currency,  translation  adjustments  are  recorded  as a separate  component  of
shareholders'  equity  (deficit).  Where  the  U.S.  dollar  is  the  functional
currency,  translation  adjustments are included in operating  results.  Foreign
exchange  gains and losses  included  in  operations  were not  material.  As of
December 31, 1996,  approximately 2% and approximately 3% of the Company's total
assets are located in the United Kingdom and Germany, respectively.

[d]  Amortization of goodwill:

        Goodwill represents the excess of the purchase price paid by the Company
over 68% of the fair value of the net assets and purchased  in-process  research
and  development of Innovir.  Such amount is being  amortized on a straight-line
basis over the period of expected benefit of three years.  Total amortization of
goodwill  for the year ended  December 31, 1996 was not  material.  The carrying
value of goodwill  will be reviewed  periodically  based on the  advancement  of
Innovir's  technology  and the continued  employment of Innovir's  workforce and
consultants. Should this review indicate that goodwill will not be realized, the
Company's carrying value of the goodwill will be reduced.

                                      F-12
<PAGE>

Note 3 - Summary of Significant Accounting Policies:  (continued)

[e]  Fixed assets:

        Fixed assets  consist of office and  laboratory  equipment and leasehold
improvements  stated at cost.  Equipment is depreciated on a straight-line basis
over  its  estimated  useful  life of five  years.  Leasehold  improvements  are
amortized  over  the  life of the  lease  or of the  improvement,  whichever  is
shorter. Expenditures for maintenance and repairs which do not materially extend
the useful lives of the assets are charged to operations  as incurred.  The cost
and related  accumulated  depreciation or amortization of assets retired or sold
are removed from the  respective  accounts and any gain or loss is recognized in
operations.

[f]  Deferred financing costs:

        Direct  costs   associated  with  obtaining  debt  financing  have  been
capitalized and are being amortized on a basis which  approximates  the interest
method, over the terms of the respective loans.

[g]  Cash and cash equivalents:

        The Company  considers  all highly  liquid debt  instruments  which have
maturities  of three months or less when  acquired to be cash  equivalents.  The
carrying  amount  reported  in the balance  sheet for cash and cash  equivalents
approximates its fair value.  Cash and cash  equivalents  subject the Company to
concentrations  of credit risk.  At December 31, 1996,  the Company had invested
approximately  $6.6 million in money market funds with two investment  companies
and held approximately $1.7 million of commercial paper issued by four entities,
with  maturities not in excess of three months.  The Company holds no collateral
for these financial instruments.

[h]  Investments:

        The Company  classifies  certain  investments  as  "available-for-sale".
Investments  in securities  that are classified as  available-for-sale  and have
readily  determinable  fair  values are  measured  at fair  market  value in the
balance sheet, and unrealized holding gains and losses for these investments are
reported as a separate component of shareholders' equity until realized.

[i]  Net loss per share:

        Net loss  per  share is  computed  on the  basis of the net loss for the
period  divided  by the  weighted  average  number of  shares  of  common  stock
outstanding  during the period.  The net loss per share for all periods excludes
the number of shares  issuable  upon  exercise  of the  outstanding  options and
warrants since such inclusion would be anti-dilutive.

                                      F-13
<PAGE>

Note 3 - Summary of Significant Accounting Policies:  (continued)

[j]  Government grants:

        Proceeds from government  grants are recognized as income as the related
research is  performed.  For the year ended  December  31,  1996,  approximately
$90,000 was recognized as income and is included in other income.

[k]  Use of estimates:

        The  preparation  of financial  statements in conformity  with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that affect the amounts  reported in the financial  statements  and
accompanying notes. Actual results could differ from those estimates.

[l]  Income taxes:

        The Company  accounts for income taxes in accordance  with  Statement of
Financial  Accounting  Standards No. 109,  "Accounting  for Income Taxes" ("SFAS
109"). SFAS 109 requires  recognition of deferred tax liabilities and assets for
the expected  future tax  consequences  of events that have been included in the
financial statements or tax returns. Under this method, deferred tax liabilities
and assets are  determined on the basis of the  difference  between tax bases of
assets  and  liabilities  and  their  respective   financial-reporting   amounts
("temporary  differences")  at enacted tax rates in effect for the year in which
the temporary differences are expected to reverse (see Note 12).

[m]  Stock based employee compensation:

        The  accompanying  financial  position and results of  operations of the
Company have been  prepared in accordance  with APB Opinion No. 25,  "Accounting
for Stock Issued to Employees" ("APB No. 25"). Under APB No. 25,  generally,  no
compensation  expense is recognized in the accompanying  financial statements in
connection with the awarding of stock option grants to employees  provided that,
as of the  grant  date,  all terms  associated  with the award are fixed and the
quoted market price of the Company's stock, as of the grant date, is not greater
than the amount an employee  must pay to acquire the stock as defined;  however,
to the extent  that stock  options  are  granted  to  nonemployees  for goods or
services,  the fair value of these options are included in operating  results as
an expense.

        Disclosures  required by Statement of Financial Accounting Standards No.
123, "Accounting for Stock-Based  Compensation" ("SFAS No. 123"),  including pro
forma  operating  results had the Company  prepared its financial  statements in
accordance  with the fair  value  based  method of  accounting  for  stock-based
compensation, have been included in Note 11[b].

                                      F-14
<PAGE>

Note 3 - Summary of Significant Accounting Policies:  (continued)

[n]  Fair value of financial instruments:

        Financial instruments include notes receivable and accounts payable. The
carrying amount of these instruments  approximate fair value due either to their
short-term  nature or because  the  Company  believes  the  instrument  could be
exchanged in a current transaction for that carrying amount (also see Note 10).

[o]  Reclassifications:

        Certain reclassifications have been made to the financial statements for
1995 in order to conform with current year's presentation.


Note 4 - Research Contracts:

        [a] Pursuant to an agreement with New York  University  ("NYU") and Yeda
Research and Development Co., Ltd. ("Yeda"),  located in Israel,  (NYU and Yeda,
collectively,   the  "Licensors"),  the  Licensors  granted  VIMRx  a  worldwide
exclusive  license to commercialize  and exploit natural hypericin and synthetic
hypericin  compounds to inactivate viruses and retro-viruses as a therapeutic or
preventive  treatment  for viral or  retroviral  diseases,  and for  anti-glioma
(brain tumor)  indications.  Between 1988 and May 1995, VIMRx paid the Licensors
an aggregate of  approximately  $4,928,000  for  research and  development  with
respect to hypericin,  and  approximately  $434,000 for  reimbursement of patent
expenses and  approximately  $300,000 in minimum royalty  payments since June 1,
1993.  The agreement  requires  VIMRx to protect the Licensors and their related
parties  (consultants and scientists) from damages arising out of the conduct of
the  research  project  and  the use or  practice  of the  research  technology,
products or processes by VIMRx or its related parties.  VIMRx must also maintain
employer's  liability  insurance for all its employees engaged in work involving
the research project.

        In  addition,  the  Company is  required  to make  royalty  and  related
payments to licensors under the agreement  consisting of: (1) royalties of 7% on
net sales of products  licensed;  (2) royalties of 4.4% on net sales of products
sublicensed;  (3) 40% of  payments  from  third  parties  to Fund  research  and
development  and (4)  12% of  consideration  received  from  an  entity  selling
licensed products.

        Commencing June 1, 1993, minimum annual royalty payments of $100,000 are
due until the later of the expiration of the Licensors' patents or 15 years from
the first commercial sale of products under the agreement. During 1996, 1995 and
1994, such payments were made.

                                      F-15
<PAGE>

Note 4 - Research Contracts:  (continued)

        [b] On  March  7,  1995,  VHL  entered  into  a one  year  research  and
development  agreement  with  Ribonetics  with respect to rights and the related
technology acquired from Ribonetics.  During 1995,  approximately  $1,050,000 of
such funding was made. The agreement provides for the issuance by the Company of
500,000 shares of its common stock at the  anniversary  date of the research and
development agreement.  However, should the agreement be terminated prior to any
anniversary date the unissued shares shall not be payable.  At December 31, 1995
a liability of $464,000 reflecting this agreement has been recorded based on the
pro rata shares earned at the current market price, and research and development
expense had been charged.

        In 1996,  VHL  terminated  its research and  development  agreement with
Ribonetics  resulting  in a reversal of the accrual for payments of common stock
under that agreement.

        [c]  Innovir  (as  licensee)  has entered  into an  exclusive  worldwide
licensing agreement with a university whereby Innovir has the exclusive right to
use certain  technology  owned by the university.  According to the terms of the
agreement,  as amended,  Innovir is required to pay royalties which commence one
year after the first sale of a product  developed from the licensed  technology.
Such  royalties  are based upon the  greater  of annual  minimum  royalties,  as
defined,  or a  percentage  of net sales of licensed  products  and a portion of
sublicensing income, as defined.  Annual minimum royalties are not material. The
licensing  agreement expires on a country by country basis as underlying patents
expire in such country. In addition,  the license may be terminated in the event
that  Innovir   fails  to  implement  a  plan   directed  at   development   and
commercialization  of products  based on the licensed  technology  or if Innovir
fails  to  satisfy  certain  other  contractual  obligations.  In the  event  of
termination,  all  licensing  rights  under the  agreement  would  revert to the
university.  The termination of the license would have a material adverse effect
on the business of Innovir.  Although Innovir intends to use its best efforts to
comply  with the  terms  of the  license,  there  can be no  assurance  that the
licensing  agreement  will not be  terminated.  Innovir  believes,  based on the
opinion of counsel,  that the use of this licensed  technology does not infringe
on a patent held by a third party. Nevertheless,  there can be no assurance that
infringement proceedings will not be brought against Innovir.

        In April 1994, Innovir (as licensee) entered into another  non-exclusive
licensing  agreement with a university  whereby  Innovir has the  non-exclusive,
non-transferable  right  to use  certain  technology  owned  by the  university.
According to the terms of this agreement, Innovir is required to remit royalties
on a quarterly  basis, at various rates,  as defined,  beginning after the first
commercial sale of a licensed

                                      F-16
<PAGE>

Note 4 - Research Contracts:  (continued)

         [c]  (continued)

product,  as defined.  In addition,  Innovir is required to pay a minimum annual
advance on earned royalties ("Advance") of $10,000, which is nonrefundable,  but
may be  credited,  as defined,  against  future  royalties  due the  university.
Advances paid to date have not been  material.  Royalties  shall  continue to be
payable,  irrespective of the termination of this license agreement,  until such
time as all sales of licensed products shall have ceased.

     During  1996,  VHL  entered  into a research  collaboration  and  licensing
agreement with a pharmaceutical company  ("Pharmaceutical  Company").  Under the
terms of the agreement,  the Pharmaceutical Company and VHL will jointly develop
certain technology and the Pharmaceutical Company obtained certain rights to the
technology  or  received  a  defined  royalty  in the  event  VHL  licenses  the
technology to a third party. The agreement also provides for the  Pharmaceutical
Company to make defined  payments to VHL upon the  occurrence of certain  events
related  to  the  technology's   development  and  the  achievement  of  defined
milestones. The agreement is for one year unless extended by the parties. During
the year ended December 31, 1996, VHL received  $40,000 from the  Pharmaceutical
Company in accordance with the agreement. Such amount has been included in other
income.


Note 5 - Investments:

     Securities  available  for sale at  December  31,  1996 are  summarized  as
follows:
<TABLE>
<CAPTION>

                                                            Estimated          Unrealized
                                         Cost              Fair Value          Gain (Loss)
                                         ----             -------------        -----------
    <S>                               <C>                <C>                  <C>
    U.S. Treasury and agencies           4,867,000         $ 4,845,000           $(22,000)
    Mortgage-backed securities          17,548,000          17,583,000             35,000
    Asset-backed securities             11,181,000          11,182,000              1,000
    Corporate debt securities            4,683,000           4,690,000              7,000
                                         ---------           ---------              -----
                                       $38,279,000         $38,300,000           $ 21,000
                                       ===========         ===========           ========
</TABLE>

     During the year ended  December 31, 1996 and December 31, 1994, the Company
realized a gain (loss) of approximately $272,000 and ($74,000), respectively, on
the sale of available-for-sale investments, included in other income.

                                      F-17
<PAGE>

Note 5- Investments:  (continued)

     The cost and  estimated  fair value of  available  for sale  securities  by
contractual maturity at December 31, 1996 is as follows:

                                                                     Estimated
                                                      Cost           Fair Value
                                                      ----           -----------
    Due after one year through five years         $14,098,000        $14,083,000
    Due after five years through ten years          5,721,000          5,719,000
    Due after ten years                               912,000            915,000
    Mortgage-backed securities                     17,548,000         17,583,000
                                                   ----------         ----------
                                                  $38,279,000        $38,300,000
                                                  ===========        ===========

     Expected  maturities  may differ from  contractual  maturities  because the
issuers  of the  securities  may have the  right  to repay  obligations  without
repayment penalties.

     During  1996,  the Company  purchased  for $800,000 an aggregate of 457,143
shares of the common stock of Epoch Pharmaceuticals, Inc. ("Epoch"), warrants to
purchase  450,000 shares of Epoch's common stock at $2.00 per share and warrants
to  purchase  an  additional  450,000  common  shares at $3.00 per share,  which
warrants  expire on  October  1, 1997 and  October  1,  1998,  respectively.  In
connection  therewith,  Epoch released the Company and its  affiliates  from any
claims Epoch might have with respect to the  Innovir's  subsidiary,  Ribonetics.
During  1996,   the  Company   recorded  a  charge  to  operations  of  $350,000
representing  the  excess  over the  fair  value  of  securities  at the date of
purchase.  On December  31, 1996,  the Company  recorded an  unrealized  loss of
$164,000  on  this  investment  which  has  been  included  as  a  reduction  of
shareholders' equity.


Note 6 - Equipment:

     Equipment consists of the following:
                                                              December 31,
                                                          --------------------
                                                           1996           1995
                                                           ----           ----
        Office and laboratory equipment                $2,042,000       $ 91,000
        Computers                                         114,000         57,000
        Leasehold improvements                            689,000
                                                          -------      ---------
                                                        2,845,000        148,000
        Less accumulated depreciation and amortization    195,000         40,000
                                                          -------         ------
        Net equipment                                  $2,650,000       $108,000
                                                       ==========       ========

                                      F-18
<PAGE>

Note 7 - Notes Receivable:

     Notes receivable,  at December 31, 1995,  consist of two notes of $250,000,
each  bearing  interest at 12.5%,  due on December 7, 1994 and January 21, 1995,
respectively,  and a $250,000 unsecured demand note bearing interest at 10% from
Ribonetics.  The notes were collateralized by laboratory equipment and a license
for certain patent rights.  At December 31, 1995 and December 31, 1994,  $85,000
and $290,000, respectively, of the notes were charged to expense. On January 16,
1995,  the Company  assigned its rights to the notes and related  agreements  to
VHL.  On January  18,  1995,  VHL took  possession  of the license in return for
$150,000 of the notes  which have been  included  in  research  and  development
expense as of December 31, 1994.  No interest  income was  recognized  for these
notes for 1996, 1995 and 1994. The carrying value of these notes was included in
the purchase price when the Company acquired Ribonetics as discussed in Note 2.


Note 8 - Accounts Payable and Accrued Expenses:

     Accounts payable and accrued expenses consist of the following:

                                                            December 31,
                                                         1996           1995
                                                         ----           ----
         Accounts payable                           $  859,000      $136,000
         Accrued expenses                              435,000
         Accrued payroll and related costs              42,000
                 Professional fees                     567,000       296,000
                                                       -------       -------
                                                    $1,903,000      $432,000
                                                    ==========      ========


Note 9 - Notes Payable:

     In December  1995, the Company  issued  $2,000,000 of unsecured  promissory
notes due at the  earlier  of one year or five days  following  a sale of equity
securities of the Company,  grossing proceeds of at least $2,000,000.  The notes
were  issued  in  connection  with a  private  placement  of  units,  each  unit
consisting of a $50,000 unsecured  promissory note bearing interest at a rate of
12% per  annum  (effective  interest  rate  24%) and  25,000  warrants  ("bridge
warrants") of the Company.  The Company  valued the warrants  issued at $200,000
which has been accounted for as debt discount. The warrants contained

                                      F-19
<PAGE>

Note 9 - Notes Payable:  (continued)

provisions  that in the  event  the  Company  consummates  a public  or  private
placement of its equity  securities  prior to December  26, 1998 which  includes
warrants  ("new  warrants"),  then the bridge  warrants  would  convert into new
warrants. Effective with the private placement in 1996 (see Note 11), the bridge
warrants were converted into new warrants.  On June 28, 1996, the Company repaid
the notes and  accrued  interest.  The debt  discount  was  recorded as interest
expense.


Note 10 - Innovir Note Payable - Warrantholder:

     The term note provides for interest,  payable quarterly at a rate of 8% per
annum. The noteholder  holds a lein on all the assets of Innovir.  In connection
with the issuance of the term note,  Innovir issued a warrant which provides the
holder  with the right to acquire an  aggregate  of 40,000  shares of  Innovir's
common stock at $6.25 per share. Any accrued and unpaid interest  ($44,000 as of
December  31,  1996)  related  to the  term  note  may  also be used to  acquire
additional  shares of common  stock at a price of $6.25 per share.  The  warrant
expires on February 10, 1998 and  contains  anti-dilution  provisions  and other
defined  adjustments in the event of a merger or reorganization,  as defined. As
of December 31, 1996, the warrant was exercisable and outstanding. The estimated
fair value of the term note at December 31, 1996 was approximately $200,000. The
fair value was  estimated  on the basis of the current rate of debt with similar
characteristics.

     In addition,  during November 1996, the payment terms of the term note were
amended. (the "Amended Note") and related accrued and unpaid interest as of that
date was deferred. In consideration for such amendment,  Innovir issued a second
warrant,  which  expires on November 21,  2001,  to the  noteholder  to purchase
20,000 shares of the Company's  common stock at $1.50 per share.  The fair value
of the warrant totaled approximately $16,000. Such amount is being accounted for
as deferred  financing cost and amortized over the remaining life of the Amended
Note.  Pursuant to the Amended Note,  future  payments of principal and deferred
interest are as follows:
<TABLE>
<CAPTION>

                      Year Ending                          Future
                      December 31,                        Payments
                         <S>                             <C>

                         1997                             $ 36,000
                         1998                              130,000
                         1999                               97,000
                         ----                               ------
                                                          $263,000
                                                          ========
</TABLE>

     Interest  expense  with regard to the Amended Note was not material for all
periods presented.

                                      F-20
<PAGE>

Note 11 - Shareholders' Equity:

[a]  Public offerings:

     On July 25, 1990, the Company  effected an initial  public  offering of its
securities.  A total of 1,150,000 units, each comprised of five shares of common
stock and five redeemable Class A warrants, were sold for $5.00 a unit, yielding
net proceeds of  approximately  $4,546,000  after  underwriting  commissions and
expenses.

     Prior to the  initial  public  offering,  the  Company  was  recapitalized,
whereby all  outstanding  preferred  stock was converted into common stock,  the
treasury  stock was retired,  the par value of the common stock was changed from
$0.01 to $0.001 a share,  and the Company  effected a .599-for-1  reverse  stock
split.

     On January 23, 1992, the Company  effected a second public  offering of its
securities.  A total of 1,380  units,  each  comprised of 2,275 shares of common
stock and 2,275 redeemable Class A warrants,  were sold for $5,000 a unit during
January  and  February  of  1992.   This   offering   yielded  net  proceeds  of
approximately $5,710,000 after underwriting commissions and expenses.

     On January 27, 1994,  the Company  effected a third public  offering of its
securities.  A total of 1,552  units,  each  comprised of 3,475 shares of common
stock and  3,475  redeemable  Class A  warrants,  were  sold for  $5,000 a unit,
yielding net proceeds of approximately $6,385,000 after underwriting commissions
and expenses.

     On April 9, 1996, the Company exercised its right to redeem all outstanding
redeemable  Class A  warrants  (the  "Class A  warrants")  on May 10,  1996 (the
"Redemption   Date").   Between  January  1,  1996  and  the  Redemption   Date,
approximately  13,900,000 Class A warrants were exercised resulting in the issue
of one share of common  stock and one  redeemable  Class B warrant (the "Class B
warrant")  for $1.50.  On April 25,  1996,  the Company  exercised  its right to
redeem all outstanding Class B warrants on June 13,1996 (the "B Class Redemption
Date").  Between January 1, 1996 and the B Class Redemption Date,  approximately
14,200,000  Class B warrants  were  exercised,  resulting in the issuance of one
share of common stock for $2.25.  The exercise of Class A and B warrants yielded
net proceeds of approximately  $50,847,000 after commissions of $1,949,000 to an
investment firm.

     On March 21, 1996,  VIMRx  entered  into a  Subscription  and  Registration
Rights Agreement (the "Agreement") with a group of individuals,  under which the
Company  agreed  to  issue  2,799,991  units,  at a price  of  $1.50  per  unit,
consisting of one share of common stock and one-half of a warrant.  Each warrant
entitles the holder to purchase  one share of common stock at an exercise  price
of $1.50 per share subject to adjustment, and exercisable through June 20, 2006.
The net proceeds to the Company were approximately $4,058,000.

                                      F-21
<PAGE>

Note 11 - Shareholders' Equity:  (continued)

[a]  Public offerings:  (continued)

     On June 21, 1996, the authorized capital stock of the Company was increased
from 60,000,000 to 120,000,000 shares of common stock.

[b]  Stock option plans:

     The Company has  established  two  employee  stock  option plans (the "1989
Plan" and the "1990  Plan").  No further  options may be granted  under the 1989
Plan.  On June 20,  1996,  the 1990 Plan was  amended  increasing  the number of
shares of common stock issuable upon exercise of options  granted under the Plan
from 1,200,000 to 2,400,000 shares.  The shares of common stock are reserved for
issuance upon exercise of either incentive or nonincentive options, which may be
granted  from time to time by a committee of the Board of Directors to employees
and others.  The terms of each incentive option and nonincentive  option are for
five years and ten years,  respectively,  from date of grant.  The grant  prices
must be no less than 50% and 100% of the fair market value for  nonincentive and
incentive  options,  respectively.  At December  31,  1996,  options for 411,900
shares were available for future grant. Generally, options vest 25% per annum on
the anniversary date of grant.
<TABLE>
<CAPTION>

         Stock options outstanding under these plans are as follows:

                                                                1989 Plan                       1990 Plan
                                                         -------------------------     ---------------------------
                                                                         Weighted-                      Weighted-
                                                                          Average                        Average
                                                                         Exercise                       Exercise
                                                           Shares         Price          Shares          Price
                                                         ---------     ----------      ------------    ------------
<S>                                                      <C>           <C>           <C>                 <C>
Outstanding at December 31, 1993                            15,594                        520,808
   Granted                                                                              1,545,146        $0.87
   Expired                                                                             (1,755,954)        0.80
                                                          --------                     ----------         ----
Outstanding at December 31, 1994                            15,594                        310,000
   Granted                                                                                250,000         0.44
   Expired                                                 (15,594)       $0.50          (135,500)        1.59
   Exercised                                                                             (150,000)        0.44
                                                          --------                       --------         ----
Outstanding at December 31, 1995                             - 0 -                        274,500
   Granted                                                                              1,475,000         2.71
   Exercised                                                                              (12,000)        1.16
                                                          --------                        -------         ----
Outstanding at December 31, 1996                           - 0 -                        1,737,500        $2.34
                                                          ========                      =========        =====
</TABLE>

                                      F-22
<PAGE>

Note 11 - Shareholders' Equity:  (continued)

[b]  Stock option plans:  (continued)

         The  following  table  summarizes   information   about  stock  options
outstanding at December 31, 1996 under the 1990 Plan:

<TABLE>
<CAPTION>

                                                         Options Outstanding            Options Exercisable
                                                 -------------------------------   -------------------------
                                                     Weighted-
                                                      Average
                                                     Remaining       Weighted-                      Weighted-
                                                    Contractual       Average                        Average
                                      Number            Life         Exercise         Number        Exercise
 Range of Exercise Price            Outstanding      (in Years)        Price       Exercisable        Price
 ---------------------------     ---------------   -------------   -----------   ---------------   -----------
<S>                               <C>               <C>            <C>            <C>              <C>
           .44 - .69                     250,000        2.88          $ .59             100,000       $0.63
          1.38 - 1.66                    187,500        3.95           1.64              12,500        1.38
          2.56 - 3.31                  1,300,000        4.41           2.85
                                       ---------        ----           ----            --------        -----
                                       1,737,500        4.14          $2.34             112,500        $1.46
                                       =========        ====          =====             =======        =====
</TABLE>

     In August  1995,  the Company  adopted a Directors  Stock  Option Plan (the
"Directors  Plan")  authorizing the issuance of five year options to purchase an
aggregate of 920,000  shares at an exercise price equal to the fair market value
of the common stock at date of grant.  All the options  were  granted  under the
Directors Plan and no further options are available for grant.

     Additional  information  with respect to the Directors Plan option activity
is summarized as follows:

                                                                      Weighted-
                                                                       Average
                                                                       Exercise
                                                        Shares          Price
                                                        ------          -----

        Granted                                         920,000           $0.86
                                                        -------           -----

        Outstanding at December 31, 1995                920,000            0.86

        Exercised                                      (200,000)           0.89
                                                       --------            ----

        Outstanding at December 31, 1996                720,000           $0.85
                                                        =======           =====

                                      F-23
<PAGE>

Note 11 - Shareholders' Equity:  (continued)

[b]  Stock option plans:  (continued)

     At  December  31,  1996,  all the  options  under  the  Directors  Plan are
exercisable.

     The following table summarizes  information about stock options outstanding
at December 31, 1996 under the Directors Plan:

<TABLE>
<CAPTION>

                                                  Options Outstanding
                                                ---------------------------
                                                                Weighted-
                                                                 Average
                                                                Remaining
                                                               Contractual
         Exercise                                 Number          Life
         Price                                Outstanding      (in Years)
         ----------                        --------------   ----------------
        <S>                                <C>              <C>
          $.75                                  350,000           3.67
           .9375                                370,000           3.88
                                                -------           ----
                                                720,000           3.80
                                                =======           ====
</TABLE>

     The Company  applies APB 25 in  accounting  for its stock option  incentive
plan  and,  accordingly,  recognizes  compensation  expense  for the  difference
between the fair value of the underlying common stock and the grant price of the
option at the date of grant.  The  effect of  applying  SFAS No. 123 on 1995 and
1996 pro forma net loss as stated above is not necessarily representative of the
effects on reported net loss for future years due to,  among other  things,  (1)
the vesting  period of the stock  options  and the (2) fair value of  additional
stock options in future years.  Had  compensation  cost for the Company's  stock
option  plans  been  determined  based upon the fair value at the grant date for
awards under the plans consistent with the methodology prescribed under SFAS No.
123,  the  Company's  net loss in 1996 and 1995  would  have been  approximately
$20.948  million  and  $5.28  million,  or $.53 per  share  and $.27 per  share,
respectively.  The fair value of the  options  granted  during 1996 and 1995 are
estimated  at $2.20 per share and $.61 per share,  respectively,  on the date of
grant  using  the   Black-Scholes   option-pricing   model  with  the  following
assumptions:  dividend yield of 0%, volatility of 1.10%, risk-free interest rate
of 6.10% - 6.73% for 1996 and 5.77% - 7.08% for  1995,  and  expected  life of 5
years.

                                      F-24
<PAGE>


Note 11 - Shareholders' Equity:  (continued)

[c]  Nonemployee director restricted stock award plan:

     On June  21,  1996,  the  Company  adopted  the 1996  Nonemployee  Director
Restricted  Stock Award Plan (the "Award  Plan")  under  which an  aggregate  of
900,000 shares of common stock are reserved for issuance as restricted shares of
common stock to nonemployer  directors.  Restricted shares shall be forfeited by
the  nonemployee  director in the event the director ceases to serve as director
of the Company,  except that such  forfeiture  provision will lapse at a rate of
25% of the number of restricted  shares per annum  commencing  one year from the
date of issuance.

     The  Company  has the  right  of  first  refusal  to  purchase  any  vested
restricted  shares  proposed to be transferred  by a nonemployee  director for a
period of 30 days after receipt of written  notice at a per share price equal to
the  difference  between the fair market value at the date of proposed  transfer
minus the  difference  between the fair  market  value at the date of grant less
$1.00.  During the year ended  December 31, 1996,  the Company  granted  400,000
restricted  shares under the Award Plan, none of which have vested.  The Company
valued  these  shares at  $400,000,  which is being  amortized  over the vesting
period.

[d]  Warrants to acquire common stock:

     As of December  31, 1996,  the Company had  warrants to purchase  2,400,000
shares of common  stock at an  exercise  price of $1.50 per  share,  exercisable
through June 20, 2006 (see Notes 9 and 11).

     In  addition,  at December  31,  1996 the Company has  warrants to purchase
365,000  shares  of  common  stock  at an  exercise  price  of $.01  per  share,
exercisable through May 21, 2006 (see Note 2[b]).

     As of December  31, 1996 there were  2,765,000  warrants  exercisable  at a
weighted-average exercise price of $1.30.

[e]  Other options:

     In  connection  with  its  public  offerings,   the  Company  sold  to  the
underwriter,  at a nominal  amount,  the  following  options for the purchase of
units:


                                     Exercise       Number of
                         Number        Price          Shares
                        of Units      Per Unit        Reserved  Expiration Date
   1992 offering            120        $8,000          819,000  July 24, 1997
   1994 offering            135         7,000        1,407,374  January 20, 1999

                                      F-25
<PAGE>

Note 11 - Shareholders' Equity:  (continued)

[e]  Other options:  (continued)

     The  units are  identical  to the units  sold in the  respective  offerings
except that the warrants  included  therein,  which expire on July 24, 1997, are
not subject to  redemption  by the Company.  The units are subject to adjustment
for dilution (as defined).  Each Class A warrant entitles the holder to purchase
a unit  consisting  of one share of  common  stock  and one  redeemable  Class B
detachable  warrant.  Each Class B warrant  entitles  the holder to purchase one
share of common stock.

     The Company has granted stock options to certain consultants,  who are also
directors, of the Company as follows:


         Number of          Exercise
          Shares              Price          Term   Expiration Date

         1,300,000            $0.94        5 years  November 17, 2000        (1)
         2,000,000             0.53        3 years  August 6, 1998           (1)
           100,000             1.47       10 years  March 11, 2006           (2)
           100,000             1.47       10 years  March 11, 2006           (2)

(1)    During 1995 the Company  valued these options at an aggregate of $591,000
       which are being amortized over the vesting period.

(2)    Options  granted in connection with the March 1996 agreement (see Note 11
       [a])  whereby  certain  directors  agreed to provide  operating  funds if
       needed through September 1996.


Note 12 - Income Taxes:

        There is no provision (benefit) for federal, state or local income taxes
for all periods presented, since the Company has incurred operating losses since
inception and has established a valuation  allowance equal to the total deferred
tax asset.

                                      F-26
<PAGE>

Note 12 - Income Taxes:  (continued)

        The federal tax effect of net operating  loss  carryforwards,  temporary
differences and research and development tax credit carryforwards is as follows:

                                                              December 31,
                                                          -------------------
                                                         1996            1995
                                                         ----            ----

  Deferred tax assets and valuation allowance:
    Net operating loss carryforwards              $ 15,947,000      $ 6,698,000
    Deferred liabilities                                40,000
    Deferred costs                                     285,000
    Research and experimental tax credit
    carryforwards                                      570,000
    Valuation allowance                            (16,842,000)      (6,698,000)
                                                   -----------       ----------
                                                 $     - 0 -        $    - 0 -
                                                 =============       ==========

        As of December 31, 1996,  the Company has available for tax purposes the
following net operating loss carryforwards:


        United States (expires through 2011) (including
        approximately $25,000,000 relating to Innovir)               $47,000,000

        United Kingdom (no expiration date)                              970,000

        Germany (no expiration date)                                   1,700,000

     The  Company's   research  and  development  tax  credit   carryforward  of
approximately  $570,000  expires in various  years from 2005 through 2012 and is
subject to  limitation  due to a change in ownership  pursuant to Section 382 of
the Internal Revenue Code.

     At  December  31,  1996  the  Company  had  available  net  operating  loss
carryforwards to reduce future taxable income of approximately $47,000,000.  The
net operating loss  carryforwards  expire in various  amounts  through 2011. The
Company's  ability to utilize  $25,000,000 of its $47,000,000 net operating loss
carryforwards  is subject to a cumulating,  annual  limitation of  approximately
$1,200,000 pursuant to Section 382 of the Internal Revenue Code. The $22,000,000
balance would become  subject to limitation  (the amount of which would be based
on the then value of the Company's outstanding shares) if and when an "ownership
change" (as defined in Section 382 of the Internal Revenue Code) were to occur.

                                      F-27
<PAGE>

Note 13 - Related Party Transactions:

[a]  Employment agreements:

     On April 1, 1996  Innovir  entered  into an  employment  agreement  with an
officer/stockholder  ("officer") of Innovir expiring March 31, 1998, whereby the
officer  has  agreed to devote  his full  business  time to  Innovir  to further
develop certain  Company  technology.  The terms of the agreement  provide for a
base salary of $200,000 per annum,  adjusted  annually,  plus a key  performance
bonus, as determined by Innovir's Board of Directors (the "Board"). In addition,
the agreement provides for the officer to supply certain equipment to Innovir to
be used during his term of  employment.  At the  conclusion of  employment,  the
equipment will be returned to the officer.

[b]  Consulting agreements:

     Innovir  has  several   agreements  with  consultants,   two  of  whom  are
stockholders  ("stockholders/consultants")  of Innovir.  The consultants perform
services for Innovir in  consideration  for certain fees. The  consultants  have
also agreed to assign to Innovir any inventions,  ideas,  patents and copyrights
conceived if related to Innovir's business and provide other services as defined
in agreements. To date, fees paid to the stockholders/consultants  have not been
material. Future minimum quarterly payments to the  stockholders/consultants are
approximately  $46,000  through  March 31, 1998 and $24,000  thereafter  through
March 31, 2000.  Under certain  conditions,  Innovir may have to pay  additional
amounts ("patent award"), as defined, in the event the research performed by one
of the consultants leads to the issuance of a patent. Patent awards paid to date
have not been material.

     In April 1994, the Company retained MKS Enterprises Inc. ("MKS"), an entity
50% owned by one of the then  Company's  directors,  to  perform  financial  and
consulting services. In consideration,  therefore,  the Company paid $62,500 and
$112,500,  respectively,  in 1995 and 1994 and issued  240,000  shares of common
stock in December 1994 valued at $75,000. MKS was dissolved in 1995.

[c]  CambES, Ltd:

        In 1994,  the  Company  completed  its  purchase  of  60,060  shares  of
preferred stock of CambES,  Ltd.  ("CambES),  a U.S.  company,  for $200,000 and
provided $50,000 of additional funding.

                                      F-28

<PAGE>

Note 13 - Related Party Transactions:  (continued)

[c]  CambES, Ltd:  (continued)

        In April 1995,  VIMRx  acquired  the debt and equity  interest in CambES
held by Venkol  Ventures,  Ltd. and Venkol  Ventures,  L.P.  (collectively,  the
"Venkol  Entities") for $100,000.  The then Chairman of the Company is a general
partner of Venkol Ventures General Partners,  L.P., which is the general partner
of Venkol Ventures, L.P. and a shareholder and advisor to Venkol Ventures, Ltd.

        CambES has no  material  assets or  liabilities  at December  31,  1996,
December 31, 1995 and December 31, 1994 and no material operations in 1996, 1995
and 1994.


Note 14 - Commitments and Other Matters:

[a]  Research agreements:

        The Company has entered into research  fellowships and other  agreements
with  universities  and  institutions  (the  "Institutions").   Future  payments
aggregate  approximately  $600,000  payable at various  dates through June 1998.
Under  certain  conditions,  the Company or the  Institutions  may terminate the
respective agreements with 30 or 60 days notice.

[b]  Lease commitments:

Operating leases:

        The  Company  leases   various   office  and  laboratory   spaces  under
noncancelable  operating leases and subleases (the "Leases") expiring at periods
between May 31, 1999 and June 30, 2001. In addition,  the Company leases certain
laboratory space on a  month-to-month  basis. The Leases provide for escalations
of the minimum rent during the lease terms.

        The  Company  also  leases   automobiles  and  office   equipment  under
noncancelable  operating leases. The Leases expire at various times through June
2001.

                                      F-29
<PAGE>

Note 14 - Commitments and Other Matters:  (continued)

[b] Lease commitments:  (continued)

Operating leases:  (continued)

         Future  minimum  rental  payments  under all  operating  leases  are as
follows:

                         Year Ending                 Minimum
                        December 31,              Annual Rental
                        ------------              -------------
                           1997                    $  534,000
                           1998                       553,000
                           1999                       312,000
                           2000                        80,000
                           2001                        39,000
                                                   ----------
                                                   $1,518,000
                                                   ==========

        Rent expense approximated  $250,000,  $107,000 and $31,000 for the years
ended December 31, 1996, December 31, 1995 and December 31, 1994, respectively.

        Innovir  was  required  by the terms of one of the  leases to obtain the
required  approval for the lessor prior to the  consummation  of the Transaction
discussed in Note 2 to the financial statements. Accordingly, the Company may be
considered to be in violation of the terms of the amended sublease,  which would
also trigger  certain  cross  default  provisions  contained  in capital  leases
obligations.  The  present  value of  long-term  portion  of the  capital  lease
obligations,  which may be  considered  to be in default,  totals  approximately
$40,000. The accompanying  financial statements reflect such amount as a current
liability.

Capital leases:

        Innovir leases certain  equipment  under various  noncancelable  capital
lease  agreements.  Lease  terms  range from three to five  years,  after  which
Innovir  has the option to  purchase  the  equipment  at amounts  defined by the
respective lease agreements. In lieu of purchasing the equipment, certain leases
may be  extended  for  specified  periods,  at defined  monthly  payments.  Upon
expiration of the extended  lease terms,  Innovir may purchase the equipment for
one dollar or must return the equipment to the lessor.

                                      F-30
<PAGE>

Note 14 - Commitments and Other Matters:  (continued)

[b] Lease commitments:  (continued)

Capital leases:  (continued)

        Certain  capital  leases,  as amended  (the  "Amended  Leases")  contain
various covenants which include maintaining a minimum cash level, as defined, of
$250,000  during the term of the  leases.  This  covenant  indirectly  restricts
Innovir's ability to pay dividends.

        At December 31, 1996,  minimum rental payments under all capital leases,
including payments to acquire leased equipment, are as follows:

               Year Ending                             Minimum
               December 31,                         Annual Rental

                  1997                              $   536,000
                  1998                                  357,000
                  1999                                  165,000
                  2000                                   46,000
                  2001                                   36,000
                  ----                                ---------
                                                      1,140,000
               Less amount representing interest        205,000
                                                      ---------
               Present value of net minimum
                 capital lease payments             $   935,000
                                                    ===========

        Leased   equipment   included  as  a  component   of  fixed  assets  was
approximately  $1,387,000 at December 31, 1996; related accumulated depreciation
was approximately $405,000 for the same period. There was no leased equipment at
December 31, 1995.


Note 15 - Retirement Plans:

        Innovir  adopted the provisions of two defined  contribution  retirement
plans (the Plans").  The terms of the Plans,  among other things,  allow certain
eligible  employees  who  have  met  certain  age and  service  requirements  to
participate  in the Plans.  Innovir  has agreed to  contribute  defined  amounts
("Contributions") to the plans. In addition, based upon Innovir's profitability,
Innovir may also make discretionary contributions to the Plans. Contributions to
date have not been material.

                                      F-31
<PAGE>

                                             

Note 16 - Contingencies:

        During  February  1996,  Innovir was named as a  defendant  in an action
filed by an  investor  alleging  that  Innovir  refused to honor the  investor's
request to convert  certain shares of Innovir's  common stock.  During  February
1997, the investor and Innovir settled the action at no material cost to Innovir
or to the Company.

        The Company is aware of patents in the United  States and Europe held by
an  unaffiliated  third  party  relating  to  certain  technology  which  may be
infringed  by certain of VHL's  oligozymes,  in which event a license  from such
third party would be required.


Note 17 - Foreign Operations:

        A summary of  financial  data of foreign  subsidiaries  included  in the
consolidated financial statements as follows:

                                              December 31,
                                       -------------------------
                                          1996            1995
                                       ---------        --------

       Assets                         $  853,000      $  117,000

       Liabilities                       336,000          19,000

       Net Loss                        1,535,000       1,311,000


Note 18 - Subsequent Event:

        On March 7, 1997 the Company entered into a research  agreement with the
trustees of Columbia University in the City of New York ("Columbia") to fund the
Columbia Genome Center ("CGC"). In connection therewith VIMRx Genomics, Inc. was
formed  (owned 90% by the Company and 10% by  Columbia)  to provide  $30,000,000
($4.7  million to be paid during the first year in  quarterly  installments)  of
funding  for CGC related  projects  over five years.  In  addition,  the Company
granted Columbia 200,000 shares of common stock.

                                      F-32









                                   SIGNATURES

         Pursuant to the  requirements  of Section 13 or 15(d) of the Securities
Exchange Act of 1934,  the Registrant has duly caused this Annual Report on Form
10-K to be signed on its behalf by the  undersigned,  thereunto duly authorized,
in the City of Wilmington, State of Delaware, on the 31th day of March, 1997.

                                                  VIMRx PHARMACEUTICALS INC.


                                                  By: /s/ Richard L. Dunning
                                                  --------------------------
                                                          Richard L. Dunning
                                                          President and Chief
                                                          Executive Officer

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this Annual Report on Form 10-K has been signed below by the  following  persons
on behalf of the Registrant in the capacities and on the dates indicated.


    Signature                            Title                       Date

/s/ Richard L. Dunning      President and Chief Executive         March 31, 1997
- - ----------------------      Officer and Director (Principal
Richard L. Dunning          Executive Officer) 
                        

/s/ Donald G. Drapkin       Chairman of the Board and Director    March 31, 1997
- - ---------------------
Donald G. Drapkin

/s/ Francis M. O'Connell    Chief Financial Officer (Principal    March 31, 1997
- - ------------------------    Financial and Accounting Officer)   
Francis M. O'Connell  
                    
/s/ Laurence D. Fink        Director                              March 31, 1997
- - --------------------
Laurence D. Fink

/s/ Jerome Groopman, M.D.   Director                              March 31, 1997
- - -------------------------
Jerome Groopman, M.D.

/s/ Linda G. Robinson       Director                              March 31, 1997
- - ---------------------
Linda G. Robinson

/s/ Lindsay A. Rosenwald, M.D.  Director                         March    , 1997
- - ------------------------------
Lindsay A. Rosenwald, M.D.

/s/ Eric Rose, M.D.         Director                              March 31, 1997
- - -------------------
Eric A. Rose, M.D.

/s/ Michael Weiner, M.D.    Director                              March 31, 1997
- - ------------------------ 
Michael Weiner, M.D.

<PAGE>




                                INDEX TO EXHIBITS
                                  Exhibit Index
                                                                         Page

2.2a         - Copy of Agreement  dated  November 21, 1996 (the "Aries
             Agreement")  by and  among the  Registrant  and The Aries
             Domestic                                            Fund,
             L.P.......................................................   (1)

2.2b         - Copy of Amendment to the Aries Agreement dated December
             23, 1996 by and among the  Registrant  and the Aries Fund
             and The Aries Domestic Fund, L.P..........................   (1)

2.3          - Copy  of  Agreement  dated  November  21,  1996  by and
             between  the   Registrant   and   Innovir   Laboratories,
             Inc.......................................................   (1)

4.4          - Copy of Warrant  Agreement  dated June 17, 1996 between
             the  Registrant  and  American  Stock  Transfer  &  Trust
             Company..................................................

10.3         -  Copy  of   Registrant's   Amended  and  Restated  1990
             Incentive and Non-Incentive Stock Option Plan, as amended
             through February 22, 1997................................

10.9         - Copy of Employment letter agreement dated June 21, 1994
             between       Registrant       and       Alfonso       J.
             Tobia.....................................................   (2)

10.11        - Copy  of  Registrant's  1995  Outside  Directors  Stock
             Option Plan..............................................    (3)

10.12        - Copy of letter  agreement  dated August 7, 1995 between
             Registrant      and      Lindsay      A.       Rosenwald,
             M.D.......................................................   (3)

10.13        - Copy of Stock  Option  Agreement  dated  August 7, 1995
             between    Registrant    and   Lindsay   A.    Rosenwald,
             M.D.......................................................   (3)

10.14        - Copy of  Consulting  and Stock Option  Agreement  dated
             November  17, 1995 between  Registrant  and Eric A. Rose,
             M.D....................................................      (3)

10.15        - Copy of Stock Option  Agreement dated November 17, 1995
             between        Registrant       and       Donald       G.
             Drapkin...................................................   (3)

10.16        -  Copy  of  Registrant's  1996   Non-Employee   Director
             Restricted                   Stock                  Award
             Plan......................................................   (3)

10.17        - Copy of  Registration  Rights  Agreement dated December
             23, 1996,  between  Registrant and The Aries Fund and The
             Aries Domestic Fund, L.P.................................    (1)

10.18        - Copy of  Research  Agreement  dated as of March 7, 1997
             among Registrant,  The Trustees of Columbia University in
             the   City   of   New   York    and    VIMRx    Genomics,
             Inc.......................................................   (4)

10.19        - Copy of Registrant's  1997 Incentive and  Non-Incentive
             Stock Option Plan........................................

10.20        - Copy of  Employment  Agreement  dated  October 30, 1996
             between   the   Registrant   and   Richard   L.   Dunning
             ..........................................................

10.21        - Copy of the Employment  Agreement dated August 26, 1996
             between  the  Registrant  and  David  A.  Jackson,  Ph.D.
             .........................................................

21           - List of Subsidiaries...................................

23           -   Consent   of    Richard   A.    Eisner   &   Company,
             LLP......................................................


(1)  Filed as the same numbered  Exhibit to Registrant's  Current Report on Form
     8-K (Commission  File No.  0-19153) filed January 3, 1997 and  incorporated
     herein by reference thereto.

(2)  Filed as the same numbered  Exhibit to  Registrant's  Annual Report on Form
     10-K for the year ended December 31, 1994 (Commission File No. 0-19153) and
     incorporated herein by reference.

(3)  Filed as the same numbered  Exhibit to  Registrant's  Annual Report on Form
     10-K for the year ended December 31, 1995 (Commission File No. 0-19153) and
     incorporated herein by reference thereto.

(4)  Filed as the same numbered  Exhibit to Registrant's  Current Report on Form
     8-K  (Commission  File No.  0-19153) filed March 21, 1997 and  incorporated
     herein by reference thereto.



<PAGE>


                                                                 Exhibit 4.4

                                WARRANT AGREEMENT







                  WARRANT  AGREEMENT,  dated as of June 17, 1996  between  VIMRx
Pharmaceuticals Inc., a Delaware corporation (the "Company"), and American Stock
Transfer & Trust Company (the "Warrant Agent").


                  WHEREAS, in connection with a private placement offering of up
to 2,800,000 units ("Units"), each Unit consisting of one share of the Company's
Common  Stock,  $.001 par value  ("Common  Stock") and  one-half a Common  Stock
Subscription  Warrant  (each  a  "Warrant"  and  collectively,  the  "Warrants")
pursuant to a Subscription  and  Registration  Rights  Agreement dated March 21,
1996 between the Company and the investors signatory thereto,  and the automatic
conversion of certain  warrants  issued by the Company in December 1995 upon the
closing of the private placement offering of Units, the Company will issue up to
2,400,000 Warrants; and

                  WHEREAS,  each Warrant entitles the registered  holder thereof
(each a "Holder"  and  collectively,  the  "Holders")  to purchase  one share of
Common  Stock at an  Exercise  Price (as  defined in Section 9 hereof) of $1.50,
subject to  adjustment  as  hereinafter  provided  (the  shares of Common  Stock
issuable upon exercise of the Warrants  hereinafter  referred to as the "Warrant
Shares"); and


                  WHEREAS,  the  Company  desires  the  Warrant  Agent to act on
behalf of the Company, and the Warrant Agent is willing so to act, in connection
with the  issuance,  registration,  transfer and exchange of the  Warrants,  the
exercise of the Warrants, and the rights of the Holders;


                  NOW, THEREFORE,  in consideration of the foregoing and for the
purpose of defining the terms and  provisions of the Warrants and the respective
rights and  obligations  thereunder of the Company,  the Holders and the Warrant
Agent, the Company and the Warrant Agent hereby agree as follows:

                  SECTION 1.  Appointment of Warrant  Agent.  The Company hereby
appoints the Warrant  Agent to act as agent for the Company in  accordance  with
the provisions set forth in this Agreement, and the Warrant Agent hereby accepts
such  appointment.  As used  herein,  the term  "Warrant  Agent"  shall mean the
Warrant Agent and any successor appointed hereunder.

                  SECTION 2.  Form and Countersignature of Warrants.

                  2.1 Form of Warrant. The text of the Warrant, the subscription
form (the "Subscription Form"), and form of assignment shall be substantially as
set forth in the form of warrant  certificate  attached hereto as Exhibit A. The
Warrants  shall be executed  on behalf of the Company by one or more  authorized
officers.  The  signature  of any  such  officers  on the  Warrants  may be made
manually or by facsimile.

                  2.2  Countersignature  of  Warrants.  The  Warrants  shall  be
countersigned  manually or by  facsimile  by the Warrant  Agent and shall not be
valid for any purpose unless so countersigned.  Warrants may be countersigned by
the  Warrant  Agent  and  may be  issued  or  delivered  by the  Warrant  Agent,
notwithstanding  that the persons  whose manual or facsimile  signatures  appear
thereon as proper  officers of the Company shall have ceased to be such officers
at the time of such  countersignature,  issuance or delivery.  Warrants shall be
dated as of the date of  issuance  or  countersignature  thereof by the  Warrant
Agent either upon initial issuance or upon exchange, substitution or transfer.

                  SECTION 3.    Issuance and Registration of Warrants.

                  3.1 Initial  Issuance  of  Warrants.  The Warrant  Agent shall
issue the Warrants upon receipt of, and in accordance  with, a statement from an
authorized representative of the Company as contemplated by Section 14.10 hereof
specifying  the identity of, and number of Warrants to be issued to, each person
or entity to be issued Warrants.

                  3.2 Registration.  The Warrants shall be numbered and shall be
registered  in a warrant  register  maintained  by the Warrant Agent as they are
issued.  The  Company and the  Warrant  Agent may deem and treat the  registered
holder of a Warrant  Certificate as the absolute owner thereof  (notwithstanding
any  notation of  ownership or other  writing  thereon made by anyone),  for the
purpose of any exercise  thereof and any  distribution to the holder thereof and
for all other  purposes  and neither the Company nor the Warrant  Agent shall be
affected  by any  notice  to the  contrary.  The  Company  shall not be bound to
recognize  any  equitable  or other claim to or interest in such  Warrant on the
part of any other person.

                  SECTION 4.  Transfer and Exchange of Warrants.

                  4.1 Transfer of Warrants.  The Warrants shall be  transferable
only on the books of the Warrant Agent maintained at the principal office of the
Warrant Agent upon  delivery  thereof duly endorsed by the Holder or by his duly
authorized  attorney or  representative,  or accompanied  by proper  evidence of
succession,  assignment  or authority to transfer,  which  endorsement  shall be
guaranteed by an eligible guarantor institution which is a member of a signature
guarantee program satisfactory to the Warrant Agent (an "Eligible Institution").
Warrants  may be  transferred  only in whole,  so as to allow the Holder of each
Warrant to purchase one full share of Common Stock.  In all cases of transfer by
an attorney-in-fact,  the original power of attorney,  duly approved,  or a copy
thereof, duly certified,  in such form and with such other evidence of authority
as the  Warrant  Agent shall  request,  shall be  deposited  and remain with the
Warrant Agent.  In case of transfer by executors,  administrators,  guardians or
other legal  representatives,  duly  authenticated  evidence of their  authority
shall be produced, in such form and with such other evidence of authority as the
Warrant Agent shall request, and may be required to be deposited and remain with
the Warrant Agent in its discretion. Upon any such registration of transfer, the
Warrant  Agent  shall  countersign  and deliver a new Warrant or Warrants to the
person entitled thereto.

                  4.2 Exchange of Warrant Certificates. Each Warrant certificate
may be exchanged upon surrender at the principal office of the Warrant Agent for
another  certificate or certificates  entitling the Holder thereof to purchase a
like  aggregate  number of Warrant  Shares as the  certificate  or  certificates
surrendered  then  entitle  such  Holder to  purchase.  Any Holder  desiring  to
exchange  a Warrant  certificate  or  certificates  shall  make such  request in
writing delivered to the Warrant Agent, and shall surrender,  properly endorsed,
the certificate or certificates to be so exchanged. Thereupon, the Warrant Agent
shall  countersign  and  deliver  to the  Holder a new  Warrant  certificate  or
certificates,  as the case may be, as so requested,  in the name of such Holder.
No  fractional  Warrant   certificates  shall  be  issued  and  no  new  Warrant
certificate  entitling the Holder thereof to purchase  fractional shares will be
issued.

                  SECTION 5.   Term of Warrants; Exercise of Warrants.

                  5.1 Term of Warrants.  Subject to the terms of this Agreement,
each  Holder  shall have the right,  which may be  exercised  commencing  at the
opening of business on June 21, 1996 until 5:00 p.m., New York time, on June 20,
2006 (the "Expiration  Date"),  to purchase from the Company the number of fully
paid and  nonassessable  Warrant  Shares  which  the  Holder  may at the time be
entitled to purchase on exercise of such Warrants.

                  5.2  Exercise of  Warrants.  A Warrant may be  exercised  upon
surrender to the Warrant Agent at its  principal  office of the  certificate  or
certificates  evidencing  the  Warrants  to  be  exercised,  together  with  the
Subscription Form duly completed and signed, which signature shall be guaranteed
by an  Eligible  Institution,  and upon  payment  to the  Warrant  Agent for the
account of the Company of the Exercise Price (as defined in Section 9 hereof and
subject to adjustment in  accordance  with the  provisions of Section 10 hereof)
for the number of Warrant  Shares in  respect  of which such  Warrants  are then
exercised. Payment of the aggregate Exercise Price shall be made by certified or
official bank check.

                  Upon the  surrender  of Warrants  and payment of the  Exercise
Price as aforesaid, the Warrant Agent shall (i) cause to be issued and delivered
as soon as  practicable  to or upon the written order of the Holder in such name
or names as the Holder may  designate,  a certificate  or  certificates  for the
number of full Warrant  Shares so purchased  upon the exercise of such  Warrants
and, if the Warrants are exercised in whole, in lieu of any fractional  share of
the Common  Stock to which the Holder  shall be  entitled,  pay to the Holder or
such other  person as the Holder may  designate  cash in an amount  equal to the
closing  price per share on the trading day  preceding the date of such exercise
multiplied  by  such  fraction,  and  (ii)  deliver  the  other  securities  and
properties  receivable  upon  the  exercise  of  the  Warrants  pursuant  to the
provisions of the Warrants.  The Company shall  promptly  provide to the Warrant
Agent  the cash  payable  in lieu of a  fractional  share.  No  certificate  for
fractional  Warrant Shares will be issued.  If permitted by applicable law, such
certificate or  certificates  shall be deemed to have been issued and any person
so  designated  to be named  therein  shall be deemed to have become a holder of
record of such Warrant Shares as of the date of the receipt by the Warrant Agent
of such Warrants and payment of the Exercise Price, as aforesaid.  The rights of
purchase  represented by the Warrants shall be  exercisable,  at the election of
the  Holders  thereof,  either in full or from time to time in part,  and in the
event that a  certificate  evidencing  Warrants is  exercised in respect of less
than all of the Warrant Shares purchasable on such exercise at any time prior to
the  date of  expiration  of the  Warrants,  a new  certificate  evidencing  the
remaining  Warrant or  Warrants  will be issued to the Holder  thereof,  and the
Warrant Agent is hereby  authorized to countersign  and deliver the required new
Warrant  certificate or certificates  pursuant to the provisions of this Section
and Section 2 hereof.

                  5.3  Compliance  with  Government  Regulations.   The  Company
covenants  that if any  shares of  Common  Stock  required  to be  reserved  for
purposes of exercise of Warrants  require,  under any federal  securities law or
applicable  governing rule or regulation of any national  securities exchange or
over-the-counter  market,  registration  with or  approval  of any  governmental
authority,   or   listing  on  any  such   national   securities   exchange   or
over-the-counter market, the Company will in good faith prior to the issuance of
such shares  endeavor to cause such  shares to be duly  registered,  approved or
listed on the relevant national securities exchange or over-the-counter  market,
as the case may be. The Company covenants that it will use reasonable efforts to
obtain any required  approvals or registration under state "blue sky" securities
laws for the issuance of the Warrant Shares.

                  SECTION 6.  Payment of Taxes.  The Company will pay all stamp,
original issue,  transfer, or similar taxes, if any, attributable to the initial
issuance of Warrant  Shares upon the  exercise of Warrants;  provided,  however,
that the  Company  shall not be  required  to pay any tax or taxes  which may be
payable in respect of any  transfer  involved  in the issue or  delivery  of any
Warrants or  certificates  for  Warrant  Shares in a name other than that of the
Holder of such Warrants.

                  SECTION 7. Mutilated or Missing  Warrants.  In case any of the
certificates  evidencing  the  Warrants  shall be  mutilated,  lost,  stolen  or
destroyed,  the Company may in its discretion issue, and the Warrant Agent shall
countersign and deliver in exchange and substitution  for and upon  cancellation
of the mutilated Warrant certificate,  or in lieu of and in substitution for the
Warrant certificate lost, stolen or destroyed, a new Warrant certificate of like
tenor and representing an equivalent right or interest, but only upon receipt of
evidence  satisfactory to the Company and the Warrant Agent of such loss,  theft
or  destruction  of such Warrant and an indemnity or bond,  if  requested,  also
satisfactory  to them.  An applicant for such a substitute  Warrant  certificate
shall also  comply  with such other  reasonable  regulations  and pay such other
reasonable charges as the Company or the Warrant Agent may prescribe.

                  SECTION 8.   Reservation of Warrant Shares;
                               Purchase and Cancellation of Warrants.

                  8.1  Reservation of Warrant  Shares.  Commencing June 20, 1996
(following  the filing by the Company of a Certificate  of Amendment  increasing
the Company's  authorized  shares of Common Stock to 20,000,000  shares),  there
shall have been reserved,  and the Company shall at all times keep reserved, out
of its authorized Common Stock, a number of shares of Common Stock sufficient to
provide  for  the  exercise  of  the  rights  of  purchase  represented  by  the
outstanding  Warrants.  The transfer  agent for the Common Stock (the  "Transfer
Agent")  and every  subsequent  transfer  agent for any shares of the  Company's
capital  stock  issuable  upon the  exercise  of any of the  rights of  purchase
aforesaid will be authorized and directed at all times to reserve such number of
authorized shares as shall be required for such purpose. The Company will keep a
copy of this Agreement on file with the Transfer Agent and with every subsequent
transfer  agent for any shares of the Company's  capital stock issuable upon the
exercise  of the rights of purchase  represented  by the  Warrants.  The Warrant
Agent is hereby  authorized to  requisition  from time to time from the Transfer
Agent  the  stock  certificates  required  to honor  outstanding  Warrants  upon
exercise  thereof in accordance  with the terms of this  Agreement.  The Company
will supply the Transfer Agent and any such subsequent  transfer agent with duly
executed  stock  certificates  for such  purposes.  The Company will furnish the
Transfer Agent and any such  subsequent  transfer agent a copy of all notices of
adjustments delivered by the Company to the Warrant Agent hereunder.

                  8.2  Purchase of Warrants by the  Company.  The Company  shall
have the right,  except as  limited  by law,  other  agreements  or  herein,  to
purchase or  otherwise  acquire  Warrants at such times,  in such manner and for
such consideration as it may deem appropriate.

                  8.3  Cancellation of Warrants.  In the event the Company shall
purchase or otherwise acquire Warrants, the same shall thereupon be delivered to
the Warrant  Agent and be cancelled by it and retired.  The Warrant  Agent shall
cancel any Warrant surrendered for exchange, substitution,  transfer or exercise
in whole or in part and such cancelled Warrant  Certificate shall be disposed of
by the Warrant Agent in a manner satisfactory to the Company.

                  SECTION  9.  Exercise  Price.  The  price per share at which a
Warrant Share shall be  purchasable  upon  exercise of a Warrant (the  "Exercise
Price") shall be $1.50, subject to adjustment as provided in Section 10 hereof.

                  SECTION 10. Adjustments. The Exercise Price and the number and
kind of  securities  subject to purchase upon the exercise of each Warrant shall
be subject to adjustment form time to time upon the happening of certain events,
as  hereinafter  set forth.  The  Aggregate  Warrant  Price with respect to each
Holder shall equal $1.50 multiplied by the number of Warrant Shares  represented
by the  certificate  evidencing  the  Warrants  issuable to a Holder on the date
hereof.

                  10.1  Adjustments.  (a) If,  at any time or from  time to time
after the issuance date of the  Warrants,  the Company shall issue or distribute
to the holders of shares of Common Stock evidence of its indebtedness, any other
securities  of the Company or any cash,  property or other  assets  (excluding a
subdivision,  combination  or  reclassification,  or  dividend  or  distribution
referred  to in Section  10.1(b),  and also  excluding  cash  dividends  or cash
distributions  paid out of net profits  legally  available  therefor in the full
amount   thereof,   which  together  with  the  value  of  other  dividends  and
distributions  made substantially  concurrently  therewith or pursuant to a plan
which  includes  payment  thereof,  is  equivalent  to not  more  than 5% of the
Company's net worth) (any such non-excluded event being herein called a "Special
Dividend"),  then the Exercise Price in effect immediately prior to the close of
business on the record date fixed for the  determination of holders of any class
of  securities  entitled to receive such Special  Dividend  shall be adjusted by
multiplying  the Exercise  Price then in effect by a fraction,  the numerator of
which shall be the then Current Market Price (as defined in paragraph (g) below)
of the Common Stock less the fair market value of the evidence of  indebtedness,
cash,  securities  or property,  or other assets issued or  distributed  in such
Special Dividend applicable to one share of Common Stock, and the denominator of
which shall be the then Current Market Price of the Common Stock.  An adjustment
made pursuant to this Section 10.1(a) shall become effective  immediately  after
the record date of any such Special Dividend.

                  (b) Except  for an event set forth in Section  10.1(e) in case
the Company  shall  hereafter (i) pay a dividend or make a  distribution  on its
capital stock in shares of Common Stock,  (ii) subdivide its outstanding  shares
of Common Stock into a greater number of shares,  (iii) combine its  outstanding
shares  of Common  Stock  into a  smaller  number  of  shares  or (iv)  issue by
reclassification of its Common Stock any shares of capital stock of the Company,
the Exercise Price in effect  immediately  prior to the close of business on the
record date fixed for such dividend or distribution, subdivision, combination or
reclassification  shall be adjusted to be equal to a fraction,  the numerator of
which shall be the Aggregate Warrant Price and the denominator of which shall be
the number of shares of Common Stock or other capital stock of the Company which
such Holder would have owned immediately following such action had such Warrants
been exercised  immediately  prior thereto.  An adjustment made pursuant to this
Subsection  10.1(b) shall become effective  immediately after the record date in
the case of a dividend or distribution  and shall become  effective  immediately
after  the  effective  date  in  the  case  of  a  subdivision,  combination  or
reclassification.

                  (c)(i) Except as provided in Sections 10.1(a) and 10.1(e),  in
case the Company shall hereafter issue or sell any Common Stock,  any securities
convertible  into Common  Stock or any  rights,  options or warrants to purchase
Common Stock or securities  convertible  into Common Stock, or set a record date
for the determination of holders of any securities  entitled to receive any such
issuance, in each case for a price per share or entitling the holders thereof to
purchase Common Stock at a price per share (determined by dividing (x) the total
amount,  if any,  received or receivable by the Company in  consideration of the
issuance  or sale of such  securities  plus  the  total  consideration,  if any,
payable  to  the  Company  upon  exercise  or  conversion  thereof  (the  "Total
Consideration")  by (y) the number of additional shares of Common Stock issuable
upon exercise or conversion of such securities) less than the greater of (x) the
Current  Market Price and (y) the then current  Exercise  Price in effect on the
record date for such  issuance or, if there is no record date,  the date of such
issuance or sale,  the  Exercise  Price shall be  adjusted  by  multiplying  the
Exercise Price then in effect by a fraction, the numerator of which shall be the
sum of (1) the  number of shares of Common  Stock  outstanding  on such issue or
sale date or record date and (2) the number of additional shares of Common Stock
which the Total  Consideration  would purchase at the greater of (x) the Current
Market Price or (y) the then current  Exercise  Price,  and the  denominator  of
which shall be the sum of (1) the number of shares of Common  Stock  outstanding
on such record date or, if there is no record  date,  immediately  prior to such
issue or sale and (2) the  number of  additional  shares  of Common  Stock to be
sold,  issued or issuable (or into which the convertible  securities to be sold,
issued or issuable  are  convertible).  An  adjustment  pursuant to this Section
10.1(c) shall be made  successively  whenever an event described in this Section
10.1(c)  shall  occur and shall  become  effective  on the  record  date for the
determination  of holders  entitled to receive  such  issuance or if there is no
record date, immediately after the date of such sale or issuance.

                           (ii) For  purposes of this  Section  10.1(c),  in the
event the Company  shallassume,  amend or modify the terms of any right, option,
warrant or convertible security,  for purposes of determining an adjustment,  if
any, to the Exercise Price, if any, pursuant to this Section 10.1(c) such right,
option,  warrant or  convertible  security shall be deemed issued or sold on the
date of such assumption or amendment or modification.

                           (iii) No further  adjustment  to the  Exercise  Price
shall be made upon the  subsequent  issue or sale of  shares of Common  Stock or
convertible securities or upon the exercise of such rights, options or warrants,
or the conversion of such  convertible  securities;  provided that to the extent
that shares of Common Stock are not delivered (or  securities  convertible  into
Common Stock are not delivered)  after the expiration of any rights,  options or
warrants to purchase Common Stock or securities  convertible  into Common Stock,
the Exercise Price shall be readjusted to the Exercise Price which would then be
in  effect  had the  adjustments  made  upon  the  issuance  of such  securities
convertible  into Common  Stock or any  rights,  options or warrants to purchase
Common  Stock or  securities  convertible  into Common  Stock been made upon the
basis of  delivery of only the number of shares of Common  Stock (or  securities
convertible into Common Stock) actually delivered.

                  (d) No adjustment  in the Exercise  Price shall be required in
the case of the issuance by the Company of Common Stock pursuant to the exercise
of these  Warrants  or the  issuance of shares of Common  Stock  pursuant to the
option,  warrants,  rights,  convertible  securities  and contracts set forth in
Section  3.2 of the  Subscription  and  Registration  Rights  Agreement  as such
option, warrants,  rights, convertible securities and contracts are in effect on
the date hereof.

                  (e) In case of any capital  reorganization or reclassification
(other than a change in par value),  or any consolidation or merger to which the
Company is a party,  or in case of any sale or conveyance  to another  entity of
the property of the Company as an entirety or substantially as an entirety,  the
Warrants  shall  after  such  reorganization,  reclassification,  consolidation,
merger, sale or conveyance be exercisable,  upon the terms and conditions of the
Warrants,  for the kind and amount of  securities,  cash or other property which
the Holder would have owned or have been entitled to receive  immediately  after
such reorganization, reclassification, consolidation, merger, sale or conveyance
had the Warrants been exercised  immediately prior to the effective date of such
reorganization, reclassification,  consolidation, merger, sale or conveyance and
in any such case, if necessary,  the provisions set forth in this Section 3 with
respect to the rights and  interests  thereafter  of the Holders of the Warrants
shall  be  appropriately  adjusted  so as to be  applicable,  as  nearly  as may
reasonably be, to any shares of stock or other securities or property thereafter
deliverable  on the  exercise  of the  Warrants.  The above  provisions  of this
Section   10.1   shall   similarly   apply   to   successive    reorganizations,
reclassifications,   consolidations,   mergers,   sales  or   conveyances.   The
subdivision  or  combination  of shares of Common Stock at any time  outstanding
into  a  greater  or  lesser  number  of  shares  shall  not be  deemed  to be a
reclassification  of the Common Stock for the purposes of this Section  10.1(e).
The  Company  shall  not  effect  any  such  reorganization,   reclassification,
consolidation, merger, sale or conveyance unless prior to or simultaneously with
the consummation  thereof the successor  corporation (if other than the Company)
resulting from such  transaction or the  corporation  purchasing  such assets or
other  appropriate  corporation  or entity shall assume,  by written  instrument
executed and delivered to the Holders,  the obligation to deliver to the Holders
such shares of stock,  securities or assets as, in accordance with the foregoing
provisions,  such Holders may be entitled to purchase and the other  obligations
under the  Warrants.  The issuer of any shares of stock or other  securities  or
property  thereafter  deliverable  on the  exercise  of the  Warrants  shall  be
responsible for all of the agreements and obligations of the Company  hereunder.
Notice of any such reorganization, reclassification, consolidation, merger, sale
or conveyance and of said provisions so proposed to be made,  shall be mailed to
the Holders not less than 30 days prior to such event.

                  (f) For purposes of any computation  respecting  consideration
received  pursuant to Sections  10.1(a),  (b) or (c) above,  the following shall
apply:

                           (i)_) in the case of the issuance of shares of Common
Stock for cash,  the  consideration  shall be the amount of such cash,  provided
that in no case shall any  deduction be made for any  commissions,  discounts or
other  expenses  incurred by the Company  for any  underwriting  of the issue or
otherwise in connection therewith; and

                           (ii)_)  in the  case of the  issuance  of  shares  of
Common  Stock for a  consideration  in whole or in part  other  than  cash,  the
consideration  other  than  cash  shall be deemed  to be the fair  market  value
thereof as  determined  in good faith by the Board of  Directors  of the Company
(irrespective of the accounting treatment thereof), whose determination shall be
conclusive.

                  (g) For purposes hereof, the Current Market Price per share of
Common Stock at any date shall be deemed to be the average of the daily  closing
prices for 30 consecutive  trading days ending on the date immediately  prior to
such date, and if the Common Stock is no longer listed on a national  securities
exchange or  over-the-counter  market, the Current Market Price (and the closing
price  per  share  in  Section  5.2)  shall  be as  determined  by the  Board of
Directors.

                  (h) In the  event  of any  adjustment  to the  Exercise  Price
pursuant to this Section 10.1, the number of Warrant Shares shall be adjusted by
dividing the Aggregate Warrant Price by the Exercise Price in effect immediately
after such adjustment.

                  (i) In case  any  event  shall  occur as to  which  the  other
provisions of this Section 10.1 are not strictly  applicable but as to which the
failure to make any  adjustment  would not fairly  protect the  purchase  rights
represented  by the  Warrants  in  accordance  with  the  essential  intent  and
principles hereof then, in each such case, the Holders representing the right to
purchase  a  majority  of the shares of Common  Stock and other  securities  and
properties  receivable  upon the  exercise of the Warrants may appoint a firm of
independent  public  accountants  of  recognized  national  standing  reasonably
acceptable to the Company,  which shall give their opinion as to the adjustment,
if  any,  on a  basis  consistent  with  the  essential  intent  and  principles
established  herein,  necessary to preserve the purchase  rights  represented by
these Warrants.  Upon receipt of such opinion,  the Company will promptly mail a
copy thereof to the Holders and shall make the  adjustments  described  therein.
The fees and expenses of such independent  public  accountants shall be borne by
the Company.

                  (j) No  adjustment  in the  Exercise  Price  shall be required
unless such  adjustment  would require an increase or decrease of at least $0.05
per share of Common Stock;  provided,  however,  that any  adjustments  which by
reason of this  Section  10.1(j)  are not  required  to be made shall be carried
forward and taken into account in any subsequent adjustment;  provided, further,
however,  that  adjustments  shall be required and made in  accordance  with the
provisions of this Section 10.1 (other than this Section 10.1(j)) not later than
such time as may be  required in order to preserve  the  tax-free  nature of any
distribution  to the Holders or Common Stock  issuable  upon the exercise of the
Warrants.  All calculations under this Section 10.1 shall be made to the nearest
cent or to the nearest  1/100th of a share, as the case may be. Anything in this
Section 10.1 to the contrary  notwithstanding,  the Company shall be entitled to
make such  reductions in the Exercise  Price,  in addition to those  required by
this Section 10.1, as it in its  discretion  shall deem to be advisable in order
that any stock  dividend,  subdivision  of shares or  distribution  of  options,
rights  or  warrants  to  purchase  stock or  securities  convertible  for stock
hereafter  made by the Company to its  holders of the Common  Stock shall not be
taxable.

                  (k)  Whenever  the  Exercise  Price is adjusted as provided in
this  Section  10.1 and upon any  modification  of the rights of the  Holders of
these Warrants in accordance  with this Section 10.1, the Company shall promptly
but in no event later than ten days after any request for an  adjustment  by the
Holder,  obtain, at its expense,  a certificate of a firm of independent  public
accountants of recognized  standing  selected by the Board of Directors (who may
be the regular auditors of the Company) setting forth the Exercise Price and the
number of shares of Common Stock and other securities and properties  receivable
upon  exercise  of the  Warrants  after  such  adjustment  or the effect of such
modification,  a brief  statement  of the facts  requiring  such  adjustment  or
modification  and the  manner of  computing  the same and  cause  copies of such
certificate to be mailed to the Holders of the Warrants.

                  (l) If, as a result of an  adjustment  made  pursuant  to this
Section  10.1,  the Holder  thereafter  surrendered  for  exercise  shall become
entitled to receive  shares of two or more classes of capital stock or shares of
Common  Stock and other  capital  stock of the  Company,  the Board of Directors
(whose  determination  shall be  conclusive  and shall be described in a written
notice to the  Holder  promptly  after  such  adjustment)  shall  determine  the
allocation  of the  adjusted  Exercise  Price  between  or among  shares or such
classes of capital stock or shares of Common Stock and other capital  stock.  In
the event that at any time, as a result of an  adjustment  made pursuant to this
Section  10.1,  the holder of any  Warrant  thereafter  exercised  shall  become
entitled to receive any shares of capital stock of the Company other than shares
of Common Stock,  thereafter the number of such other shares so receivable  upon
exercise of the Warrants  shall be subject to adjustment  from time to time in a
manner and on terms as nearly  equivalent as practicable to the provisions  with
respect  to the  shares of Common  Stock  contained  in  Section  10.1,  and the
remainder  of the terms of the  Warrants  shall  apply on like terms to any such
other shares.


                  10.2 Notice of  Adjustment.  Whenever  the  Exercise  Price is
adjusted, as herein provided, the Company shall cause the Warrant Agent promptly
to give  notice  to the  Holders  as  provided  in  Section  17  hereof  of such
adjustment or  adjustments  and shall deliver to the Warrant Agent a certificate
setting forth the Exercise  Price after such  adjustment,  setting forth a brief
statement  of  the  facts  requiring  such  adjustment  and  setting  forth  the
computation  by which such  adjustment  was made.  The  Warrant  Agent  shall be
entitled  to  rely  on  such   certificate   and  shall  be  under  no  duty  or
responsibility with respect to any such certificate, except to exhibit the same,
from  time  to  time,  to any  Holder  desiring  an  inspection  thereof  during
reasonable  business hours. The Warrant Agent shall not at any time be under any
duty or responsibility to any Holders to determine whether any facts exist which
may  require any  adjustment  of the  Exercise  Price or other stock or property
purchasable on the exercise thereof,  or with respect to the nature or extent of
any such  adjustment when made, or with respect to the method employed in making
such adjustment.

                  10.3 Statement on Warrants. Irrespective of any adjustments in
the Exercise Price or the number or kind of shares or other property purchasable
upon the exercise of the Warrants or other  amendments to or corrections of this
Agreement, Warrants theretofore or thereafter issued may continue to express the
same price and number and kind of shares as are stated in the Warrants initially
issuable pursuant to this Agreement.

                  SECTION  11.  No Rights as  Stockholders;  Notice to  Holders.
Nothing contained in this Agreement or in any of the Warrants shall be construed
as  conferring  upon the  Holders or their  transferees  the right to vote or to
receive  dividends or to consent or to receive notice as stockholders in respect
of any meeting of  stockholders  for the election of directors of the Company or
any other matter,  or any rights  whatsoever as stockholders of the Company.  If
the Board of  Directors  of the  Company  shall set a record date for any action
which would  require an  adjustment  pursuant  to Section 10, the Company  shall
cause the Warrant  Agent to mail notice  thereof to the Holders of the  Warrants
not less than 10 days prior to the record date with respect to any such action.

                  SECTION 12.  Disposition  of Proceeds on Exercise of Warrants;
Inspection of Warrant Agreement. The Warrant Agent shall account promptly to the
Company with respect to Warrants  exercised and  concurrently pay to the Company
all monies  received by the Warrant Agent for the purchase of the Warrant Shares
through the exercise of such Warrants.

                  The Warrant Agent shall keep copies of this  Agreement and any
notices  given or received  hereunder  available  for  inspection by the Holders
during normal business hours at its principal  office.  The Company shall supply
the Warrant Agent from time to time with such number of copies of this Agreement
as the Warrant Agent may request.

                  SECTION  13.  Merger  or  Consolidation  or  Change of Name of
Warrant  Agent.  Any  corporation  into which the Warrant Agent may be merged or
with which it may be consolidated,  or any corporation resulting from any merger
or consolidation to which the Warrant Agent shall be a party, or any corporation
succeeding to substantially  all of the business of the Warrant Agent,  shall be
the successor to the Warrant Agent hereunder  without the execution or filing of
any paper or any further act on the part of any of the parties hereto,  provided
that such corporation  would be eligible for appointment as a successor  Warrant
Agent  under the  provisions  of  Section  15  hereof.  In case at the time such
successor  to the  Warrant  Agent  shall  succeed to the agency  created by this
Agreement any of the Warrants shall have been  countersigned  but not delivered,
any such  successor to the Warrant Agent may adopt the  countersignature  of the
original Warrant Agent and deliver such Warrants so  countersigned;  and in case
at that  time  any of the  Warrants  shall  not  have  been  countersigned,  any
successor to the Warrant Agent may countersign  such Warrants either in the name
of the predecessor  Warrant Agent or in the name of the successor Warrant Agent;
and in any such cases such  Warrants  shall have the full force  provided in the
Warrants and in this Agreement.

                  In case at any  time the name of the  Warrant  Agent  shall be
changed and at such time any of the Warrants shall have been  countersigned  but
not delivered, the Warrant Agent may adopt the countersignatures under its prior
name and deliver such Warrants so countersigned; and in case at that time any of
the  Warrants  shall  not  have  been  countersigned,   the  Warrant  Agent  may
countersign  such Warrants  either in its prior name or in its changed name; and
in all such  cases such  Warrants  shall  have the full  force  provided  in the
Warrants and in this Agreement.

                  SECTION 14.  Concerning the Warrant  Agent.  The Warrant Agent
undertakes  the  duties  and  obligations  imposed  by this  Agreement  upon the
following terms and conditions,  by all of which the Company and the Holders, by
their acceptance of Warrants, shall be bound.

                  14.1  Correctness  of  Statements.  The  statements  contained
herein and in the Warrants  shall be taken as  statements of the Company and the
Warrant Agent assumes no  responsibility  for the correctness of any of the same
except such as describe  the  Warrant  Agent or action  taken by it. The Warrant
Agent assumes no responsibility with respect to the distribution of the Warrants
except as otherwise provided herein.

                  14.2  Breach of  Covenants.  The  Warrant  Agent  shall not be
responsible  for any failure of the Company to comply with any of the  covenants
of the Company contained in this Agreement or in the Warrant.

                  14.3 Reliance on Counsel. The Warrant Agent may consult at any
time with legal counsel  satisfactory to it (who may be counsel for the Company)
and the Warrant Agent shall incur no liability or  responsibility to the Company
or to any  Holder in  respect of any  action  taken,  suffered  or omitted by it
hereunder in good faith and in accordance with the opinion or the advice of such
counsel.

                  14.4 Proof of Actions  Taken.  Whenever in the  performance of
its duties  under this  Agreement  the Warrant  Agent shall deem it necessary or
desirable  that any fact or matter be proved or established by the Company prior
to taking or suffering any action  hereunder,  such fact or matter (unless other
evidence in respect thereof be herein  specifically  prescribed and except for a
notice  pursuant to Section  10.2) may be deemed  conclusively  to be proved and
established  by a certificate  signed by an officer of the Company and delivered
to the Warrant Agent;  and such certificate  shall be full  authorization to the
Warrant  Agent for any action  taken or  suffered  in good faith by it under the
provisions of this Agreement in reliance upon such certificate.

                  14.5 Compensation and  Indemnification.  The Company agrees to
pay the Warrant Agent reasonable  compensation for all services  rendered by the
Warrant  Agent  in the  performance  of its  duties  under  this  Agreement,  to
reimburse the Warrant Agent for all expenses, taxes and governmental charges and
other charges of any kind and nature reasonably incurred by the Warrant Agent in
the performance of its duties under this Agreement, and to indemnify the Warrant
Agent and save it harmless against any and all liabilities, including judgments,
costs and  reasonable  counsel fees, for anything done or omitted by the Warrant
Agent in the  performance of its duties under this Agreement  except as a result
of the Warrant  Agent's gross  negligence or bad faith.  In connection with such
indemnification,  the Company  shall be entitled to conduct any  litigation  and
shall  only be  required  to pay the  reasonable  costs and fees of one  counsel
selected by the Company.  The Warrant Agent will cooperate in the defense of any
such action and will not settle such action without the consent of the Company.

                  14.6 Other Transactions in Securities of Company.  The Warrant
Agent and any  stockholder,  director,  officer or employee of the Warrant Agent
may buy, sell or deal in any of the Warrants or other  securities of the Company
or become pecuniarily  interested in any transaction in which the Company may be
interested  or contract  with or lend money to the Company or  otherwise  act as
fully and freely as though the Warrant  Agent was not  Warrant  Agent under this
Agreement.  Nothing  herein shall  preclude the Warrant Agent from acting in any
other  capacity  for the  Company  or for any legal  entity  including,  without
limitation, acting as a lender to the Company or an affiliate thereof.

                  14.7 Liability of Warrant  Agent.  The Warrant Agent shall act
hereunder  solely as the agent of the Company and its duties shall be determined
solely by the  provisions  hereof.  The  Warrant  Agent  shall not be liable for
anything which it may do or refrain from doing in connection with this Agreement
except for its own gross negligence or bad faith.  Anything in this Agreement to
the contrary notwithstanding,  in no event shall the Warrant Agent be liable for
special, indirect or consequential loss or damage whatsoever (including, but not
limited to, lost  profits)  even if the  Warrant  Agent has been  advised of the
likelihood of such loss or damage and regardless of the form of action.

                  14.8 Reliance on  Documents.  The Warrant Agent will not incur
any liability or  responsibility  to the Company or to any Holder for any action
taken  in  reliance  on  any  notice,   resolution,   waiver,   consent,  order,
certificate, or other paper, document or instrument reasonably believed by it to
be genuine and to have been  signed,  sent or  presented  by the proper party or
parties.

                  14.9  Validity of  Agreement.  The Warrant  Agent shall not be
under any  responsibility  in respect of the  validity of this  Agreement or the
execution and delivery  hereof  (except the due execution  hereof by the Warrant
Agent) or in respect of the  validity and  execution of any Warrant  (except its
countersignature  thereof);  nor shall the Warrant Agent by any act hereunder be
deemed  to make  any  representation  or  warranty  as to the  authorization  or
reservation of any Warrant Shares (or other stock) to be issued pursuant to this
Agreement or any Warrant,  or as to whether any Warrant  Shares (or other stock)
will, when issued, be validly issued, fully paid and nonassessable, or as to the
Exercise Price or the number or amount of Warrant Shares or other  securities or
other property issuable upon exercise of any Warrant.

                  14.10  Instructions from Company.  The Warrant Agent is hereby
authorized and directed to accept  instructions  with respect to the performance
of its duties hereunder from the Chairman of the Board, the President, the Chief
Financial Officer,  any Vice Chairman of the Board, or any Executive,  Senior or
other  Vice  President  of the  Company  or any other  employee  of the  Company
expressly  authorized  in writing by any of such persons as having the authority
to deliver  instructions  hereunder,  and to apply to such officers or employees
for advice or  instructions  in  connection  with its  duties,  and shall not be
liable  for any  action  taken or  suffered  to be taken by it in good  faith in
accordance with instructions of any such officers or employees.

                  SECTION 15.  Change of Warrant  Agent.  The Warrant  Agent may
resign and be discharged  from its duties under this  Agreement by giving to the
Company 30 days'  notice in writing.  The  Warrant  Agent may be removed by like
notice to the Warrant Agent from the Company.  If the Warrant Agent shall resign
or be removed or shall otherwise become  incapable of acting,  the Company shall
appoint a successor to the Warrant Agent. If the Company shall fail to make such
appointment  within a period of 30 days after such  removal or after it has been
notified  in writing of such  resignation  or  incapacity  by the  resigning  or
incapacitated  Warrant Agent or by any Holder (who shall with such notice submit
his Warrant for  inspection  by the  Company),  then any Holder may apply to any
court  of  competent  jurisdiction  located  in  Hartford,  Connecticut  for the
appointment  of a  successor  to the Warrant  Agent.  Pending  appointment  of a
successor to the Warrant  Agent,  either by the Company or by such a court,  the
duties of the Warrant  Agent shall be carried out by the Company.  Any successor
Warrant Agent, whether appointed by the Company or such a court, shall be a bank
or trust company,  in good standing,  incorporated  under the laws of the United
States of America or any state thereof and having at the time of its appointment
as Warrant Agent a combined  capital and surplus of at least  $5,000,000.  After
appointment,  the successor  Warrant Agent shall be vested with the same powers,
rights,  duties  and  responsibilities  as if it had  been  originally  named as
Warrant Agent without  further act or deed;  but the former  warrant agent shall
deliver and  transfer to the  successor  warrant  agent any property at the time
held by it hereunder, and execute and deliver any further assurance, conveyance,
act or deed necessary for the purpose.  Failure to file any notice  provided for
in this  Section  15,  however,  or any  defect  therein,  shall not  affect the
legality or validity of the  resignation  or removal of the warrant agent or the
appointment of the successor  warrant agent, as the case may be. In the event of
such  resignation or removal,  the successor  warrant agent shall mail, by first
class mail, postage prepaid,  to each Holder,  written notice of such removal or
resignation and the name and address of such successor warrant agent.

                  SECTION 16.  Identity of Transfer  Agent.  Forthwith  upon the
appointment of any subsequent  transfer agent for the Common Stock, or any other
shares of the Company's capital stock issuable upon exercise of the Warrant, the
Company will file with the Warrant Agent a statement  setting forth the name and
address of such subsequent transfer agent.

                  SECTION 17. Notices.  Any notice pursuant to this Agreement by
the Company or by any Holder to the Warrant Agent, or by the Warrant Agent or by
any Holder to the Company, shall be in writing and shall be delivered in person,
by overnight  courier,  or by facsimile  transmission  (with hard copy to follow
promptly by first  class mail or  overnight  courier),  or mailed  first  class,
postage  prepaid  (a) to the  Company  at its  offices  1200  High  Ridge  Road,
Stamford,  Connecticut 06905, fax: (203) 329-0557, Attention:  President; or (b)
to the Warrant Agent its corporate  office,  40 Wall Street,  New York, New York
10005.  Each party  hereto may from time to time change the address as facsimile
numbers to which notices to it are to be delivered or mailed hereunder by notice
to the other party.

                  Any notice required to be mailed pursuant to this Agreement by
the Company or the Warrant Agent to the Holders shall be in writing and shall be
mailed first class, postage prepaid, or otherwise delivered,  to such Holders at
their respective  addresses on the books of the Warrant Agent. Any other notices
which the Company or the Warrant  Agent may wish to provide to the Holder may be
made in such  manner  (including  by  publication  in a  newspaper  of  national
circulation)  as the Company or the  Warrant  Agent,  as the case may be,  shall
elect.  Any  notice  requested  by any other  person  may be  dispatched  in the
discretion of the Warrant  Agent,  but at no expense to the Warrant Agent or the
Company.

                  SECTION 18.  Supplements and  Amendments.  The Company and the
Warrant Agent may from time to time  supplement or amend this Agreement  without
the  approval  of any  Holder in order to cure any  ambiguity  or to  correct or
supplement any provision contained herein which may be defective or inconsistent
with any other provision  herein,  or to make any other  provisions in regard to
matters or questions  arising  hereunder which the Company and the Warrant Agent
may deem  necessary  or  desirable,  which  shall  not  adversely  affect in any
material  manner the interest of the Holders.  The Company and the Warrant Agent
may from time to time  supplement  or amend this  Agreement in any other respect
with the  written  consent of the  Holders  of not less than a  majority  of the
Warrants then outstanding;  provided,  however,  that no change in the number or
nature of the  securities  purchasable  upon the  exercise  of any  Warrant,  or
increase in the Exercise Price of any Warrant, or acceleration of the Expiration
Date of any Warrant,  shall be made without the written consent of the Holder of
such  Warrant,  other than such changes as are  specifically  prescribed by this
Agreement as originally executed or are made in compliance with applicable law.

                  SECTION 19.  Successors.  All the covenants and  provisions of
this  Agreement by or for the benefit of the Company or the Warrant  Agent shall
bind and  inure  to the  benefit  of their  respective  successors  and  assigns
hereunder.

                  SECTION 20.  Applicable  Law. This  Agreement and each Warrant
issued  hereunder shall be governed by and construed in accordance with the laws
of the State of New York applicable to contracts made and to be performed within
such State, without giving effect to principles of conflicts of laws.

                  SECTION  21.  Benefits  of  this  Agreement.  Nothing  in this
Agreement shall be construed to give to any person or corporation other than the
Company, the Warrant Agent, and the Holders any legal or equitable right, remedy
or  claim  under  this  Agreement;  this  Agreement  shall  be for the  sole and
exclusive  benefit of the  Company,  the  Warrant  Agent and the  Holders of the
Warrants.

                  SECTION 22.  Counterparts.  This  Agreement may be executed in
counterparts and by facsimile and each of such counterparts and facsimile copies
shall for all  purposes be deemed to be an original,  and all such  counterparts
shall together constitute but one and the same instrument.

                  SECTION  23.  Severability.  Any  term  or  provision  of this
Agreement which is invalid or  unenforceable  in any  jurisdiction  shall, as to
that  jurisdiction,   be  ineffective  to  the  extent  of  such  invalidity  or
unenforceability  without rendering invalid or unenforceable the remaining terms
and provisions of this Agreement or affecting the validity or  enforceability of
any of the terms or provisions of this Agreement in any other  jurisdiction.  If
any  provision  of  this  Agreement  is so  broad  as to be  unenforceable,  the
provision shall be interpreted to be only so broad as is enforceable.


<PAGE>



                  SECTION  24.  Captions.  The  captions  of  the  Sections  and
subsections of this Agreement have been inserted for convenience  only and shall
have no substantive effect.

                  IN WITNESS  WHEREOF,  the  parties  hereto  have  caused  this
Agreement to be duly executed, all as of the day and year first above written.


                                    VIMRx PHARMACEUTICALS INC.



                                    By:   /s/ Richard L. Dunning
                                         Name:  Richard L. Dunning
                                         Title: President and Chief Executive
                                                Officer


                                    AMERICAN STOCK TRANSFER
                                    & TRUST COMPANY



                                    By:   /s/ Herbert J. Lemmer
                                         Name:  Herbert J. Lemmer
                                         Title:  Vice President


<PAGE>



                                                                  Exhibit A





                           Form of Warrant Certificate
                                    (obverse)




              EXERCISABLE ONLY ON OR AFTER JUNE 21, 1996 AND ON OR
              BEFORE 5:00 P.M. NEW YORK CITY TIME ON JUNE 20, 2006

NUMBER
VPW: ________                                              WARRANTS: ________



                                                             SEE REVERSE SIDE
                                                              FOR DEFINITIONS

         COMMON STOCK
SUBSCRIPTION WARRANTS                                       CUSIP 927186 13 0

              Incorporated Under the Laws of The State of Delaware


                           VIMRx PHARMACEUTICALS, INC.


This certifies that FOR VALUE RECEIVED






or registered  assigns (the  "Registered  Holder") is the owner of the number of
Common Stock  Subscription  Warrants  (the  "Warrants")  specified  above.  Each
Warrant  initially  entitles the Registered  Holder to purchase,  subject to the
terms and  conditions  set forth in this  Warrant  Certificate  and the  Warrant
Agreement (as hereinafter  defined),  one fully paid and nonassessable  share of
Common Stock,  $.001 par value (the "Common  Stock"),  of VIMRx  Pharmaceuticals
Inc., a Delaware corporation (the "Company"),  at any time between June 21, 1996
and 5:00 p.m.  (New York City time) on June 20,  2006 (the  "Expiration  Date"),
upon surrender of this Warrant  Certificate  with the  Subscription  Form on the
reverse hereof duly executed, at the principal office of American Stock Transfer
& Trust  Company,  as Warrant  Agent,  or its successor  (the "Warrant  Agent"),
accompanied by payment of $1.50 per Warrant (the "Exercise  Price") by certified
or official  bank check made payable to the Warrant Agent for the account of the
Company.


<PAGE>





                  This Warrant  Certificate and each Warrant  represented hereby
are  issued  pursuant  to and are  subject  in all  respects  to the  terms  and
conditions set forth in the Warrant Agreement (the "Warrant  Agreement"),  dated
as of June 17, 1996, by and between the Company and the Warrant Agent. A copy of
the Warrant  Agreement  may be obtained by the  Registered  Holder upon  written
request to the Company.

                  Upon the  occurrence  of certain  events  provided  for in the
Warrant  Agreement,  the  Exercise  Price and the number and kind of  securities
subject to purchase  upon the  exercise of each Warrant  represented  hereby are
subject to adjustment.

                  Each Warrant  represented  hereby is exercisable at the option
of the  Registered  Holder,  but no  fractional  shares of Common  Stock will be
issued. In the case of the exercise of less than all of the Warrants represented
hereby, the Company shall execute a new Warrant  Certificate,  which the Warrant
Agent shall countersign and deliver, for the balance of such Warrants.

                  This Warrant  Certificate is exchangeable,  upon the surrender
hereof by the  Registered  Holder at the principal  office of the Warrant Agent,
for a new Warrant Certificate or Warrant Certificates  entitling such Registered
Holder to  purchase a like  aggregate  number of shares of Common  Stock as this
Warrant  Certificate  entitles such Registered Holder to purchase.  A Registered
Holder desiring to exchange this Warrant  Certificate shall make such request in
writing delivered to the Warrant Agent, and shall surrender,  properly endorsed,
this Warrant Certificate to be so exchanged.  Thereupon, the Warrant Agent shall
countersign  and deliver to the Registered  Holder a new Warrant  Certificate or
Warrant  Certificates as so requested,  in the name of such  Registered  Holder,
subject to the  limitations  provided in the Warrant  Agreement.  No  fractional
Warrant Certificate shall be issued and no new Warrant Certificate entitling the
Registered Holder thereof to purchase fractional shares will be issued.

                  Prior to the exercise of any Warrant  represented  hereby, the
Registered  Holder shall not be entitled to any rights of a  stockholder  of the
Company,  including,  without  limitation,  the  right  to  vote  or to  receive
dividends, and shall not be entitled to receive any notice of any proceedings of
the Company, except as provided in the Warrant Agreement.

                  The  Company  and the  Warrant  Agent  may deem and  treat the
Registered Holder as the absolute owner hereof  (notwithstanding any notation of
ownership or other writing hereon made by anyone) for all purposes and shall not
be affected by any notice to the contrary.

                  This Warrant Certificate is not valid unless  countersigned by
the Warrant Agent.

                  IN  WITNESS  WHEREOF,  the  Company  has caused  this  Warrant
Certificate  to be  duly  executed,  manually  or in  facsimile,  by  two of its
officers  thereunto duly  authorized and a facsimile of its corporate seal to be
imprinted thereon.

                           VIMRx PHARMACEUTICALS INC.



                                                   By:
                                                          Secretary



                                                   By:
                                                       President and
                                                       Chief Executive Officer

COUNTERSIGNED:

AMERICAN STOCK TRANSFER & TRUST COMPANY, as Warrant Agent



By:____________________________
   Authorized Officer


<PAGE>


                                                    (Reverse)



                  The following  abbreviations,  when used in the inscription on
the face of this certificate, shall be construed as though they were written out
in full according to applicable laws or regulations:

TEN COM -          as tenants          UNIF GIFT MIN ACT-______Custodian_______
                   in common                             (Cust)        (Minor)
TEN ENT -          as tenants by                  under Uniform Gifts to Minors
                   the entireties                 Act__________________
JT TEN  -          as joint tenants with right           (State)            
                   of survivorship and not as tenants               
                   in common                                                  

             Additional  abbreviations  may also be used though not in the above
list.


                                        SUBSCRIPTION FORM
                         (To be executed only upon exercise of Warrant)

                  The  undersigned  hereby  irrevocably  elects to exercise  the
right of purchase  represented  by the within  Warrant  Certificate  for, and to
purchase  thereunder,  shares of Common  Stock,  as provided  for  therein,  and
tenders  herewith  payment  of the  purchase  price  in  full  in the  form of a
certified or official bank check in the amount of $

                  Please issue a certificate or certificates  for such shares of
Common Stock in the name of:



                            Name
                                (Please Print Name, Address and Social Security
                                 or Taxpayer Identification Number)



















And, if said number of shares shall not be all the shares  purchasable under the
within  Warrant  Certificate,  a new Warrant  Certificate is to be issued in the
name of said  undersigned  for the balance  remaining of the shares  purchasable
thereunder.



            Signature      __________________________________________
                 Note:     The above signature must correspond
                           exactly with the name on the face of this Warrant
                           Certificate or with the name of assignee appearing
                           in the assignment form below.


____________________________________
Signature                            Guarantee  Signatures  should be guaranteed
                                     by an eligible guarantor  institution which
                                     is  a  member  of  a  signature   guarantee
                                     program satisfactory to the Warrant Agent.


                                   ASSIGNMENT
                (To be executed only upon assignment of Warrant)

                  FOR VALUE RECEIVED,  the undersigned hereby sells, assigns and
transfers unto

         PLEASE INSERT SOCIAL SECURITY OR OTHER
             IDENTIFYING NUMBER OF ASSIGNEE

         [                     ]


_______________________________________________________________________________
          (Name and Address of Assignee Must Be Printed or Typewritten)


_______________________________________________________________________________
the within Warrant Certificate, hereby irrevocably constituting and appointing


______________________________________________________________________, Attorney
to transfer  said Warrant  Certificate  on the books of the  Company,  with full
power of substitution in the premises.


Dated:_________________________________           ______________________________
                                                  Signature of Registered Holder

                                   Note:     The above signature must correspond
                                             exactly with the name on the face
                                             of this Warrant Certificate.
- - ------------------------------------
Signature                                           Guarantee  Signatures should
                                                    be guaranteed by an eligible
                                                    guarantor  institution which
                                                    is a member  of a  signature
                                                    guarantee            program
                                                    satisfactory  to the Warrant
                                                    Agent.





                                           

                              AMENDED AND RESTATED

                        1990 INCENTIVE AND NON-INCENTIVE

                                STOCK OPTION PLAN

                                       OF

                           VIMRx PHARMACEUTICALS INC.

             (AS AMENDED JULY 15, 1991, AUGUST 31, 1995 MAY 13, 1996
                              AND FEBRUARY 6, 1997)


         1.       Purpose of Plan.

                  The purpose of this Incentive and  Non-Incentive  Stock Option
Plan ("Plan") is to further the growth and development of VIMRx  Pharmaceuticals
Inc. ("Company") and any subsidiaries thereof by encouraging selected employees,
directors  and other  persons who  contribute  and are  expected  to  contribute
materially  to the  Company's  success to obtain a  proprietary  interest in the
Company through the ownership of stock,  thereby  providing such persons with an
added  incentive to promote the best  interests of the Company and affording the
Company a means of attracting to its service persons of outstanding ability.

         2.       Stock Subject to the Plan.

                  An  aggregate  of  2,400,000  shares of the  Company's  Common
Stock,  $.001 par value  ("Common  Stock")  subject,  however,  to adjustment or
change pursuant to paragraph 12 hereof,  shall be reserved for issuance upon the
exercise of options  which may be granted from time to time in  accordance  with
the Plan  ("Options").  Such shares may be, in whole or in part,  authorized but
unissued shares or issued shares which have been reacquired by the Company.  If,
for any reason,  an Option shall lapse,  expire or terminate without having been
exercised  in full,  the  unpurchased  shares  covered  thereby  shall  again be
available for purposes of the Plan.

         3.       Administration.

                  (a) Except as provided in paragraph (c) below,  the Plan shall
be  administered  by the  Committee.  The Board of Directors  shall  appoint the
Committee  from among its members.  Such  Committee  shall be composed of two or
more Directors who, to the extent  practicable,  shall be "outside directors" as
defined in  regulations  under  Section  162(m) of the Internal  Revenue Code of
1986,  as amended  (the  "Code"),  and  "non-employee  directors"  as defined by
Regulation 240.16b-3 under the Securities Exchange Act of 1934, as amended. Such
Committee  shall have and may exercise any and all of the powers relating to the
administration of the Plan and the grant of Options  thereunder as are set forth
in subparagraph 3(b) hereof as the Board of Directors shall confer and delegate.
The Board of  Directors  shall have power at any time to fill  vacancies  in, to
change the membership of, or to discharge such  Committee.  The Committee  shall
select one of its members as its  chairman  and shall hold its  meetings at such
time and at such places as it shall deem advisable. A majority of such Committee
shall  constitute a quorum and such majority  shall  determine  its action.  Any
action may be taken  without a meeting by written  consent of all the members of
the Committee.  The Committee  shall keep minutes of its  proceedings  and shall
report the same to the Board of Directors at the meeting next succeeding.

                  (b) The Committee  shall  administer the Plan and,  subject to
the  provisions  of the Plan,  shall have sole  authority in its  discretion  to
determine the persons to whom, and the time or times at which,  Options shall be
granted;  the number of shares to be subject to each such Option; the provisions
regarding  exercisability  of each Option;  the expiration  date of each Option;
whether the Option shall contain a "cashless exercise" provision; whether all or
any  portion  of the  Options  shall  be  incentive  stock  options  ("Incentive
Options")  qualifying  under  Section 422A of the Code or stock options which do
not so qualify ("Non-Incentive  Options");  whether a Non-Incentive Option shall
have  limited  transferability  as  permitted  under  the  Plan;  and  whether a
Non-Incentive  Option granted to a non-employee  shall  terminate  following the
non-employee's  termination of engagement in performing services for the Company
or its  subsidiaries  pursuant to Section 9 of the Plan. Both Incentive  Options
and  Non-Incentive  Options  may be granted to the same  person at the same time
provided   each  type  of  Option  is  clearly   designated.   In  making   such
determinations,  the  Committee may take into account the nature of the services
rendered by such  persons,  their  present  and  potential  contribution  to the
Company's success and such other factors as the Committee in its sole discretion
may deem relevant.  Subject to the express provisions of the Plan, the Committee
shall also have authority to interpret the Plan; to prescribe, amend and rescind
rules and regulations relating thereto; to determine the terms and provisions of
the respective  Option  Agreements,  which shall be  substantially  in the forms
attached  hereto  as  Exhibit  A and  Exhibit  B; to  amend  the  provisions  of
outstanding  Options to provide for accelerated  exercisability or the extension
of the  expiration  date of such Options;  and to make all other  determinations
necessary  or  advisable  for  the  administration  of the  Plan,  all of  which
determinations shall be conclusive and not subject to review.

                  (c) The Board of Directors may administer the Plan, in lieu of
and with the same powers as the Committee,  with respect to any Options  granted
or to be granted under the Plan, provided that such administration is consistent
with the provisions of Section 162(m) of the Code.

         4.       Eligibility for Receipt of Options.

                  (a) Incentive  Options.  Incentive Options may be granted only
to employees (including officers) of the Company and/or any of its subsidiaries.
A  director  of the  Company or any  subsidiary  who is not an  employee  of the
Company or of one of its  subsidiaries  is not  eligible  to  receive  Incentive
Options  under the Plan.  Further,  Incentive  Options may not be granted to any
person who, at the time the Incentive Option is granted,  owns (or is considered
as owning  within the meaning of Section  425(d) of the Code)  stock  possessing
more than 10% of the total combined  voting power of all classes of stock of the
Company or any subsidiary (10% Owner),  unless at the time the Incentive  Option
is  granted  to the 10%  Owner,  the  option  price is at least 110% of the fair
market value of the Common Stock subject  thereto and such  Incentive  Option by
its terms is not  exercisable  subsequent  to five years from the date of grant.
The aggregate fair market value  (determined as of the time an Incentive  Option
is granted) of the shares of the Company's  Common Stock  initially  purchasable
upon  exercise of an Incentive  Option  during any calendar  year may not exceed
$100,000.

                  (b)  Non-Incentive  Options.   Non-Incentive  Options  may  be
granted to any employees  (including  employees who have been granted  Incentive
Options),  directors,  consultants,  agents,  independent  contractors and other
persons whom the Board of Directors (or Committee) determines will contribute to
the Company's success.

                  (c) The  maximum  number  of  shares  that may be  subject  to
options  under this Plan  granted  during  any  calendar  year to any  executive
officer of the Company is 800,000 shares.

                  (d) In the event on outstanding  Incentive Option or a portion
thereof no longer  qualifies as an incentive  stock option under Section 422A of
the Code, such Option or portion  thereof,  as applicable,  thereafter  shall be
deemed a Non-Incentive Option under the Plan.

         5.       Option Price.

                  The  purchase  price of the shares of Common  Stock under each
Option  shall be  determined  by the  Committee,  which  determination  shall be
conclusive  and not subject to review,  but in no event shall the purchase price
be less than 100% of the fair  market  value of the Common  Stock on the date of
grant in the case of Incentive Options (110% of fair market value in the case of
Incentive  Options  granted to a 10% Owner) and 50% of the fair market  value of
the Common Stock on the date of the grant in the case of Non-Incentive Options.

                  For  purposes  of the Plan,  unless the  Committee  determines
otherwise,  the "fair  market  value" of a share of Common Stock as of a certain
date shall be the  closing  sale price of the Common  Stock on The Nasdaq  Stock
Market or, if the Common  Stock is not then traded on The Nasdaq  Stock  Market,
such national  securities  exchange on which the Common Stock is then traded, on
the trading  date  immediately  preceding  the date fair  market  value is being
determined.  The  Committee  may make such other  determination  of fair  market
value, based on other factors, as it shall deem appropriate.

                  For purposes of the Plan, the date of grant of an Option shall
be the date on which the  Committee  shall by  resolution  duly  authorize  such
Option.



         6.       Term of Options.

                  The term of each  Option  shall be such number of years as the
Committee shall  determine,  subject to earlier  termination as herein provided,
but in no event more than ten years from the date such Option is granted.

         7.       Exercise of Options.

                  (a) Each Option shall be exercisable to the extent  determined
by the Committee,  but in no event shall an Option be exercisable until at least
six months from the date of grant.

                  (b) An Option may not be exercised  for  fractional  shares of
the Company's Common Stock.

                  (c) Except as provided in paragraphs 9, 10 and 11 hereof,  and
unless  determined  otherwise by the  Committee  with  respect to  Non-Incentive
Options  granted to  non-employees,  no Option shall be  exercisable  unless the
holder  thereof  shall  have  been an  employee,  director,  consultant,  agent,
independent  contractor  or other  person  employed by or engaged in  performing
services for the Company and/or a subsidiary continuously from the date of grant
to the date of exercise.

                  (d) The exercise of an Option shall be contingent upon receipt
from the  holder  thereof of a written  representation  that at the time of such
exercise  it is the  optionee's  then  present  intention  to acquire the Option
shares for investment and not with a view to the  distribution or resale thereof
(unless a Registration  Statement  covering the shares purchasable upon exercise
of the Options shall have been declared effective by the Securities and Exchange
Commission)  and upon  receipt by the Company of cash,  or a check to its order,
for  the  full  purchase  price  of  such  shares.  The  Committee  may,  in its
discretion,  include a "cashless  exercise"  provision in the applicable  Option
Agreement,  in  which  event  the  optionee  will be  permitted  (i) to  deliver
previously  owned  shares of Common  Stock with a fair market value equal to the
exercise price in payment of the full purchase price of such shares,  or (ii) to
request that the Company  withhold shares of Common Stock issuable upon exercise
of such  Option  with a fair market  value  equal to the  exercise  price of the
shares being purchased  under the Option (thereby  reducing the number of shares
issuable upon exercise of the Option).

                  (e) The holder of an Option shall have none of the rights of a
stockholder  with respect to the shares  purchasable upon exercise of the Option
until a  certificate  for such shares  shall have been issued to the holder upon
due exercise of the Option.

                  (f) The proceeds  received by the Company upon  exercise of an
Option shall be added to the  Company's  working  capital and be  available  for
general corporate purposes.

         8.       Transferability of Options.

                  No Option granted  pursuant to the Plan shall be  transferable
otherwise than by will or the laws of descent or distribution  and an Option may
be exercised  during the  lifetime of the holder only by such holder,  provided,
however,  that the Committee may provide for  transferability of a Non-Incentive
Option to an optionee's family members or family trusts.

         9.       Termination of Employment or Engagement.

                  (a) Except as provided in  paragraph  (b) below,  In the event
the  employment of the holder of an Option shall be terminated by the Company or
a subsidiary for any reason other than by reason of death or disability,  or the
engagement  of  a  non-employee  holder  of  a  Non-Incentive  Option  shall  be
terminated  by the  Company or a  subsidiary  for any  reason,  such holder may,
within three months from the date of such  termination,  exercise such Option to
the  extent  such  Option  was  exercisable  by such  holder at the date of such
termination.   Notwithstanding  the  foregoing,   no  Option  may  be  exercised
subsequent  to the date of its  expiration.  Absence  on leave  approved  by the
employer  corporation  shall not be considered an interruption of employment for
any purpose under the Plan. In addition, at the discretion of the Committee, the
exercisability of an outstanding  Non-Incentive Option may be extended to a date
determined by the Committee but not beyond ten years from the date of grant.

                  (b) The Committee may, in its discretion, at the time of grant
or by amending  the  applicable  outstanding  Non-Incentive  Option,  delete the
foregoing  termination  provision with respect to a Non-Incentive Option granted
to a non-employee of the Company or its subsidiaries.

                  (c)  Nothing  in the Plan or in any Option  Agreement  granted
hereunder shall confer upon any Optionholder any right to continue in the employ
of the Company or any  subsidiary  or obligate the Company or any  subsidiary to
continue the  engagement  of any  Optionholder  or interfere in any way with the
right of the Company or any such  subsidiary  to terminate  such  Optionholder's
employment or engagement at any time.

         10.      Disability of Holder of Option.

                  If  the  employment  of  the  holder  of an  Option  shall  be
terminated by reason of such holder's disability, such holder may, within twelve
months  from the date of such  termination,  exercise  such option to the extent
such  Option was  exercisable  by such  holder at the date of such  termination.
Notwithstanding the foregoing, no Option may be exercised subsequent to the date
of its expiration.

         11.      Death of Holder of Option.

                  If the holder of any Option  shall die while in the employ of,
or while performing services for, the Company or one or more of its subsidiaries
(or within six months  following  termination of employment due to  disability),
the Option theretofore granted to such person may be exercised,  but only to the
extent such Option was  exercisable by the holder at the date of death (or, with
respect to employees,  the date of  termination of employment due to disability)
by the legatee or legatees of such person under such  person's  Last Will, or by
such person's personal representative or distributees, within twelve months from
the  date of death  but in no event  subsequent  to the  expiration  date of the
Option.

         12.      Adjustments Upon Changes in Capitalization.

                  If at any time  after  the date of  grant  of an  Option,  the
Company shall by stock  dividend,  split-up,  combination,  reclassification  or
exchange, or through merger or consolidation or otherwise,  change its shares of
Common  Stock  into a  different  number  or kind or  class of  shares  or other
securities or property, then the number of shares covered by such Option and the
price per share thereof shall be proportionately adjusted for any such change by
the Committee whose determination thereon shall be conclusive.

         13.      Acceleration of Exercisability Upon Change in Control.

                  Upon the  occurrence  of a "change in  control" of the Company
(as defined  below),  all  outstanding  Options shall become  immediately  fully
exercisable.  For  purposes  of the Plan,  a "change in  control" of the Company
shall mean (i) the  acquisition  at any time by a "person"  or "group"  (as such
terms are used  Sections  13(d) and 14(d)(2) of the  Exchange Act of  beneficial
ownership  (as  defined in Rule  13d-3  under the  Exchange  Act),  directly  or
indirectly,  of securities representing 50% or more of the combined voting power
in the election of directors of the then  outstanding  securities of the Company
or any successor or the Company;  (ii) the  termination of service of directors,
for any reason  other than death,  disability  or  retirement  from the Board of
Directors,  during any period of two  consecutive  years or less, of individuals
who at the  beginning  of such  period  constituted  a majority  of the Board of
Directors,  unless  the  election  of or  nomination  for  election  of each new
director during such period was approved by a vote of at least two-thirds of the
directors  still in office who were  directors  at the  beginning of the period;
(iii) approval by the stockholders of the Company of any merger,  consolidation,
or  statutory  share  exchange  as a result of which the Common  Stock  shall be
changed,  converted or exchanged  (other than a merger,  consolidation  or share
exchange with a  wholly-owned  Subsidiary)  or liquidation of the Company or any
sale or  disposition  of 80% or more  of the  assets  or  earning  power  or the
Company;  or (iv)  approval  by the  stockholders  of the Company of any merger,
consolidation,  or statutory share exchange to which the Company is a party as a
result of which  the  persons  who were  stockholders  immediately  prior to the
effective  date of the  merger,  consolidation  or  share  exchange  shall  have
beneficial  ownership  of less  than  50% of the  combined  voting  power in the
election of directors of the surviving corporation;  provided,  however, that no
change in control  shall be deemed to have  occurred if, prior to such time as a
change in control  would  otherwise be deemed to have  occurred,  the  Company's
Board of Directors deems otherwise.




<PAGE>



         14.      Vesting of Rights Under Options.


                  Neither  anything  contained in the Plan nor in any resolution
adopted  or to be  adopted  by the  Committee,  the  Board of  Directors  or the
stockholders of the Company shall constitute the vesting of any rights under any
Option.  The vesting of such rights shall take place only when a written  Option
Agreement,  substantially  in the form of the Incentive  Stock Option  Agreement
attached  hereto  as  Exhibit  A or the  Non-Incentive  Stock  Option  Agreement
attached  hereto as Exhibit B, shall be duly  executed  and  delivered by and on
behalf of the Company and the person to whom the Option shall be granted.

         15.      Withholding Taxes.

                  Whenever   under  the  Plan   shares   are  to  be  issued  in
satisfaction  of the exercise of Options granted  thereunder,  the Company shall
have the  right to  require  the  recipient  to remit to the  Company  an amount
sufficient to satisfy  federal,  state and local  withholding  tax  requirements
prior to the delivery of any certificate or certificates for such shares.

         16.      Termination and Amendment.

                  The Plan,  which was adopted by the Board of Directors on July
10, 1990 and approved by the  shareholders  of the Company,  shall  terminate on
July 9, 2000 and no Option shall be granted under the Plan after such date.  The
Board of Directors may at any time prior to such date terminate the Plan or make
such modifications or amendments  thereto as it shall deem advisable,  provided,
however, that shareholder approval shall be required:

          (i)     to increase the number of shares  reserved  for issuance  
                  under the Plan;

         (ii)     to materially increase the benefits accruing to participants
                  under the Plan;

        (iii)     to materially modify the requirements of eligibility for 
                  participation in the Plan; or

         (iv)     if  otherwise  required  to comply  with the  incentive  stock
                  option  provisions of Section 162(m) of the Code or the listed
                  company  requirements  of  The  Nasdaq  Stock  Market  or of a
                  national securities exchange on which the Common Stock is then
                  traded,

and, provided, further, that no modification or amendment shall adversely affect
the rights of a holder of an Option  previously  granted  under the Plan without
such holder's written consent.



<PAGE>







                                                          5

                                                                 EXHIBIT A

                           VIMRx PHARMACEUTICALS INC.

                        INCENTIVE STOCK OPTION AGREEMENT

                             ----------------------

To:

                  We are  pleased  to notify  you that by the  determination  of
theStock  Option Plan  Committee  (hereinafter  the  "Committee")  an  incentive
stockoption   to  purchase   ______   shares  of  the  Common   Stock  of  VIMRx
Pharmaceuticals  Inc.(herein  called the  "Company")  at a price of $______  per
share has this ____ day  of___________been  granted  to you under the  Company's
1990 Incentive and  Non-Incentive  Stock Option Plan (herein called the "Plan").
This option may be exercised only upon the terms and conditions set forth below.


<PAGE>






                  1.        Purpose of Option.

                  The  purpose of the Plan  under  which  this  incentive  stock
option has been granted is to further the growth and  development of the Company
and its  subsidiaries  by  encouraging  key employees,  directors,  consultants,
agents,  independent  contractors  and  other  persons  who  contribute  and are
expected  to  contribute  materially  to  the  Company's  success  to  obtain  a
proprietary  interest in the Company  through the  ownership  of stock,  thereby
providing such persons with an added  incentive to promote the best interests of
the Company,  and  affording  the Company a means of  attracting  to its service
persons of outstanding ability.


                  2.       Acceptance of Option Agreement.

                  Your execution of this incentive  stock option  agreement will
indicate your  acceptance of and your  willingness to be bound by its terms;  it
imposes no  obligation  upon you to purchase  any of the shares  subject to this
option.  Your obligation to purchase shares can arise only upon your exercise of
the option in the manner set forth in paragraph 4 hereof.


                  3.       When Option May Be Exercised.

                  (a) The option  granted you hereunder may not be exercised for
a period of six months from the date of its grant by the  Committee as set forth
above. Thereafter, this option shall be exercisable as follows:


                  [Insert exercisability provisions. A typical example, although
                   not required under the  Plan, is as follows:]

                           [(i)             at the end of one year from the date
                                            of  grant,  up to 25% of the total
                                            shares subject to the option;

                           (ii)             at the end of the second year from
                                            the date of grant, up to 50%;

                           (iii)            at the end of the third year from 
                                            the date of grant, up to 75%;

                           (iv)             at the end of the fourth year from 
                                            the date of grant, up to 100%.]

This  option may not be  exercised  for less than ten shares at any one time (or
the remaining  shares then  purchasable if less than ten) and expires at the end
of  ________  years  [insert  number of years;  maximum up ten] from the date of
grant  whether  or not it has been  duly  exercised  (hereinafter,  the  "Option
Expiration Date"),  unless sooner terminated as provided in paragraphs 5, 6 or 7
hereof.


                  4.       How Option May Be Exercised.

                  This option is  exercisable  by a written notice signed by you
and delivered to the Company at its executive offices,  signifying your election
to  exercise  the  option.  The notice must state the number of shares of Common
Stock as to which your option is being  exercised,  must  contain a statement by
you (in a form acceptable to the Company) that such shares are being acquired by
you for investment and not with a view to their distribution or resale (unless a
Registration  Statement  covering  the  shares  purchasable  has  been  declared
effective by the Securities and Exchange  Commission) and must be accompanied by
cash or a check to the order of the Company for the full  purchase  price of the
shares being purchased [if "cashless  exercise" is permitted,  add the following
phrase:]  [, unless  exercised  pursuant to the  following  "cashless  exercise"
provision.]

         [Insert the following "cashless exercise" provision,  if granted by the
Committee:] [In lieu of paying for the shares  purchasable  under this option by
cash or check, you may (i) deliver  previously owned shares of Common Stock with
a fair  market  value  equal to the full  purchase  price  of the  shares  being
purchased under this option, or (ii) request that the Company withhold shares of
Common  Stock  issuable  upon  exercise of this option with a fair market  value
equal to the full purchase price of the shares being purchased under this option
(thereby  reducing the number of shares  issuable upon exercise of this option).
For purposes of this option,  unless the  Committee  determines  otherwise,  the
"fair market value" of a share of Common Stock as of a certain date shall be the
closing  sale price of the Common  Stock on The Nasdaq  Stock  Market or, if the
Common  Stock is not then  traded on The  Nasdaq  Stock  Market,  such  national
securities  exchange on which the Common  Stock is then  traded,  on the trading
date immediately  preceding the date fair market value is being determined.  The
Committee may make such other determination of fair market value, based on other
factors, as it shall deem appropriate.]

                  If notice of the  exercise of this option is given by a person
or persons  other than you,  the Company  may  require,  as a  condition  to the
exercise of this option,  the submission to the Company of appropriate  proof of
the right of such person or persons to exercise this option.

                  Certificates  for shares of the Common Stock so purchased will
be issued as soon as practicable. The Company, however, shall not be required to
issue or deliver a  certificate  for any shares until it has  complied  with all
requirements of the Securities Act of 1933, the Securities Exchange Act of 1934,
any stock  exchange on which the  Company's  Common Stock may then be listed and
all applicable state laws in connection with the issuance or sale of such shares
or the  listing  of such  shares on said  exchange.  Until the  issuance  of the
certification  for such  shares,  you or such other person as may be entitled to
exercise this option shall have none of the rights of a stockholder with respect
to shares subject to this option.

                  The Company shall have the right to require you, or such other
person as may be permitted to exercise  this option,  to remit to the Company an
amount   sufficient  to  satisfy  federal,   state  and  local  withholding  tax
requirements prior to the delivery of any certificate or certificates for shares
of Common Stock issuable upon exercise of this option.

                  5.       Termination of Employment.

                  If your employment with the Company (or a subsidiary  thereof)
is  terminated  for any  reason  other  than by  death  or  disability,  you may
exercise, within three months from the date of such termination, that portion of
the  option  which  was  exercisable  by you at the  date of  such  termination,
provided, however, that such exercise occurs no later than the Option Expiration
Date.

                  6.       Disability.

                  If your employment with the Company (or a subsidiary  thereof)
is terminated  by reason of your  disability,  you may  exercise,  within twelve
months from the date of such termination,  that portion of this option which was
exercisable by you at the date of such termination, provided, however, that such
exercise occurs no later than the Option Expiration Date.

                  7.       Death.

                  If you die while  employed  by the  Company  (or a  subsidiary
thereof)  or within six  months  after  termination  of your  employment  due to
disability, that portion of this option which was exercisable by you at the date
of your death may be exercised by your legatee or legatees  under your Will,  or
by your personal representatives or distributees,  within twelve months from the
date of your death, but in no event after the Option Expiration Date.

                  8.       Non-Transferability of Option.

                  This option  shall not be  transferable  except by Will or the
laws of descent and distribution, and may be exercised during your lifetime only
by you.

                  9.       Adjustments upon Changes in Capitalization.

                  If at any time  after  the date of grant of this  option,  the
Company shall, by stock dividend,  split-up,  combination,  reclassification  or
exchange, or through merger or consolidation, or otherwise, change its shares of
Common  Stock  into a  different  number  or kind or  class of  shares  or other
securities or property, then the number of shares covered by this option and the
price of each such share shall be  proportionately  adjusted for any such change
by the Committee, whose determination shall be conclusive.

                  10.     Acceleration of Exercisability Upon Change in Control.

                  Upon the  occurrence  of a "change in  control" of the Company
(as defined below), this option shall become immediately fully exercisable.  For
purposes of this option, a "change in control" of the Company shall mean (i) the
acquisition  at any  time by a  "person"  or  "group"  (as such  terms  are used
Sections  13(d) and  14(d)(2) of the Exchange Act of  beneficial  ownership  (as
defined in Rule 13d-3  under the  Exchange  Act),  directly  or  indirectly,  of
securities representing 50% or more of the combined voting power in the election
of directors of the then outstanding  securities of the Company or any successor
or the Company;  (ii) the  termination  of service of directors,  for any reason
other than death,  disability or retirement from the Board of Directors,  during
any period of two consecutive years or less, of individuals who at the beginning
of such  period  constituted  a majority of the Board of  Directors,  unless the
election of or nomination  for election of each new director  during such period
was approved by a vote of at least  two-thirds of the directors  still in office
who were  directors  at the  beginning  of the  period;  (iii)  approval  by the
stockholders  of the Company of any merger,  consolidation,  or statutory  share
exchange as a result of which the Common  Stock shall be changed,  converted  or
exchanged  (other  than  a  merger,  consolidation  or  share  exchange  with  a
wholly-owned   Subsidiary)  or  liquidation  of  the  Company  or  any  sale  or
disposition  of 80% or more of the assets or earning  power or the  Company;  or
(iv) approval by the  stockholders of the Company of any merger,  consolidation,
or statutory share exchange to which the Company is a party as a result of which
the persons who were stockholders immediately prior to the effective date of the
merger,  consolidation or share exchange shall have beneficial ownership of less
than 50% of the  combined  voting  power in the  election  of  directors  of the
surviving  corporation;  provided,  however,  that no change in control shall be
deemed to have  occurred  if,  prior to such time as a change in  control  would
otherwise be deemed to have  occurred,  the Company's  Board of Directors  deems
otherwise.
                  11.      Subject to Terms of the Plan.

                  This incentive stock option  agreement shall be subject in all
respects  to the  terms  and  conditions  of the  Plan  and in the  event of any
question or  controversy  relating to the terms of the Plan, the decision of the
Committee shall be conclusive.

                                                     Sincerely yours,

                                                     VIMRx PHARMACEUTICALS INC.



                                                     By:
                                                        Name:
                                                        Title:


Agreed to and accepted this
_____ day of ________, 199 .


_____________________
Signature of Optionee


<PAGE>







                                        5

                           VIMRx PHARMACEUTICALS INC.

                      NON-INCENTIVE STOCK OPTION AGREEMENT

                     ---------------------------------------

To:

                  We are pleased to notify you that by the  determination of the
Stock Option Plan  Committee  (herein called the  "Committee")  a  non-incentive
stock  option  to  purchase   ______   shares  of  the  Common  Stock  of  VIMRx
Pharmaceuticals  Inc.  (herein  called the  "Company")  at a price of $ ____ per
share  has this day of _____  been  granted  to you  under  the  Company's  1990
Incentive and Non-Incentive  Stock Option Plan (herein called the "Plan").  This
option may be exercised only upon the terms and conditions set forth below.



<PAGE>





                  1.       Purpose of Option.

                  The purpose of the Plan under which this  non-incentive  stock
option has been granted is to further the growth and  development of the Company
and its  subsidiaries  by  encouraging  key employees,  directors,  consultants,
agents,  independent  contractors  and  other  persons  who  contribute  and are
expected  to  contribute  materially  to  the  Company's  success  to  obtain  a
proprietary  interest in the Company  through the  ownership  of stock,  thereby
providing such persons with an added  incentive to promote the best interests of
the Company,  and  affording  the Company a means of  attracting  to its service
persons of outstanding ability.


                  2.       Acceptance of Option Agreement.

                  Your execution of this  non-incentive  stock option  agreement
will indicate your acceptance of and your  willingness to be bound by its terms;
it imposes no obligation  upon you to purchase any of the shares subject to this
option.  Your obligation to purchase shares can arise only upon your exercise of
the option in the manner set forth in paragraph 4 hereof.


                  3.       When Option May Be Exercised.

                  The option  granted  you  hereunder  shall be  exercisable  as
follows:  [set forth terms and expiration date of Option,  but in no event shall
the Option be exercisable until at least six months from the date of grant].

                  This option may not be  exercised  for less than ten shares at
any one time (or the  remaining  shares then  purchasable  if less than ten) and
expires at the end of ________  years [insert  number of years;  maximum up ten]
from the date of grant whether or not it has been duly  exercised  (hereinafter,
the  "Option  Expiration  Date"),   unless  sooner  terminated  as  provided  in
paragraphs 5, 6 or 7 hereof.


                  4.       How Option May Be Exercised.

                  This option is  exercisable  by a written notice signed by you
and delivered to the Company at its executive offices,  signifying your election
to  exercise  the  option.  The notice must state the number of shares of Common
Stock as to which your option is being  exercised,  must  contain a statement by
you (in a form acceptable to the Company) that such shares are being acquired by
you for investment and not with a view to their distribution or resale (unless a
Registration Statement covering the shares purchased has been declared effective
by the Securities and Exchange  Commission) and must be accompanied by cash or a
check to the order of the  Company  for the full  purchase  price of the  shares
being purchased, plus such amount, if any, as is required for withholding taxes.
[If   "cashless   exercise"   is   permitted,   add   the   following   phrase:]
[Notwithstanding  the foregoing,  this option may also be exercised  pursuant to
the following "cashless exercise" provision.]

         [Insert the following "cashless exercise" provision,  if granted by the
Committee:] [In lieu of paying for the shares  purchasable  under this option by
cash or check, you may (i) deliver  previously owned shares of Common Stock with
a fair  market  value  equal to the full  purchase  price  of the  shares  being
purchased under this option, or (ii) request that the Company withhold shares of
Common  Stock  issuable  upon  exercise of this option with a fair market  value
equal to the full purchase price of the shares being purchased under this option
(thereby  reducing the number of shares  issuable upon exercise of this option).
For purposes of this option,  unless the  Committee  determines  otherwise,  the
"fair market value" of a share of Common Stock as of a certain date shall be the
closing  sale price of the Common  Stock on The Nasdaq  Stock  Market or, if the
Common  Stock is not then  traded on The  Nasdaq  Stock  Market,  such  national
securities  exchange on which the Common  Stock is then  traded,  on the trading
date immediately  preceding the date fair market value is being determined.  The
Committee may make such other determination of fair market value, based on other
factors, as it shall deem appropriate.] .
                  If notice of the  exercise of this option is given by a person
or persons  other than you,  the Company  may  require,  as a  condition  to the
exercise of this option,  the submission to the Company of appropriate  proof of
the right of such person or persons to exercise this option.

                  Certificates  for shares of the Common Stock so purchased will
be issued as soon as practicable. The Company, however, shall not be required to
issue or deliver a  certificate  for any shares until it has  complied  with all
requirements of the Securities Act of 1933, the Securities Exchange Act of 1934,
any stock  exchange on which the  Company's  Common Stock may then be listed and
all applicable state laws in connection with the issuance or sale of such shares
or the  listing  of such  shares on said  exchange.  Until the  issuance  of the
certificate  for such  shares,  you or such other  person as may be  entitled to
exercise this option shall have none of the rights of a stockholder with respect
to shares subject to this option.

                  The Company shall have the right to require you, or such other
person as may be permitted to exercise  this option,  to remit to the Company an
amount   sufficient  to  satisfy  federal,   state  and  local  withholding  tax
requirements prior to the delivery of any certificate or certificates for shares
of Common Stock issuable upon exercise of this option.

                  5.        Termination of Employment or Engagement.

                  [The Committee may determine to delete this provision,  at the
time of grant or by  amendment,  to  non-employees,  in which  event  the  words
"Intentionally omitted" should be inserted.] If your employment with the Company
(or a subsidiary  thereof) is  terminated  for any reason other than by death or
disability,  or if a you are not an employee of the Company and your  engagement
by the Company (or a subsidiary) is terminated for any reason, you may exercise,
within  three  months from the date of such  termination,  that  portion of this
option which was exercisable by you at the date of such  termination,  provided,
however, that such exercise occurs prior to the Option Expiration Date.

                  6.       Disability.

                  If your employment with the Company (or a subsidiary  thereof)
is terminated  by reason of your  disability,  you may  exercise,  within twelve
months from the date of such termination,  that portion of this option which was
exercisable by you at the date of such termination, provided, however, that such
exercise occurs prior to the Option Expiration Date.

                  7.       Death.

                  If you die while  employed  by the  Company  (or a  subsidiary
thereof)  or within six  months  after  termination  of your  employment  due to
disability, that portion of this option which was exercisable by you at the date
of your death may be exercised by your legatee or legatees  under your Will,  or
by your personal representatives or distributees,  within twelve months from the
date of your death, but in no event after the Option Expiration Date.

                  8.       Non-Transferability of Option.

                  This option  shall not be  transferable  except by Will or the
laws of descent and distribution, and may be exercised during your lifetime only
by you.

[Alternative Section 8, if provided for by the Committee:]

                  [8.      Limited Transferability of Option.

                  This  option  shall not be  transferable  except to members of
your family or to your family  trust(s),  and by Will or the laws of descent and
distribution.]

                  9.       Adjustments upon Changes in Capitalization.

                  If at any time  after  the date of grant of this  option,  the
Company shall, by stock dividend,  split-up,  combination,  reclassification  or
exchange, or through merger or consolidation, or otherwise, change its shares of
Common  Stock  into a  different  number  or kind or  class of  shares  or other
securities or property, then the number of shares covered by this option and the
price of each such share shall be  proportionately  adjusted for any such change
by the Committee, whose determination shall be conclusive.

                  10.     Acceleration of Exercisability Upon Change in Control.

                  Upon the  occurrence  of a "change in  control" of the Company
(as defined below), this option shall become immediately fully exercisable.  For
purposes of this option, a "change in control" of the Company shall mean (i) the
acquisition  at any  time by a  "person"  or  "group"  (as such  terms  are used
Sections  13(d) and  14(d)(2) of the Exchange Act of  beneficial  ownership  (as
defined in Rule 13d-3  under the  Exchange  Act),  directly  or  indirectly,  of
securities representing 50% or more of the combined voting power in the election
of directors of the then outstanding  securities of the Company or any successor
or the Company;  (ii) the  termination  of service of directors,  for any reason
other than death,  disability or retirement from the Board of Directors,  during
any period of two consecutive years or less, of individuals who at the beginning
of such  period  constituted  a majority of the Board of  Directors,  unless the
election of or nomination  for election of each new director  during such period
was approved by a vote of at least  two-thirds of the directors  still in office
who were  directors  at the  beginning  of the  period;  (iii)  approval  by the
stockholders  of the Company of any merger,  consolidation,  or statutory  share
exchange as a result of which the Common  Stock shall be changed,  converted  or
exchanged  (other  than  a  merger,  consolidation  or  share  exchange  with  a
wholly-owned   Subsidiary)  or  liquidation  of  the  Company  or  any  sale  or
disposition  of 80% or more of the assets or earning  power or the  Company;  or
(iv) approval by the  stockholders of the Company of any merger,  consolidation,
or statutory share exchange to which the Company is a party as a result of which
the persons who were stockholders immediately prior to the effective date of the
merger,  consolidation or share exchange shall have beneficial ownership of less
than 50% of the  combined  voting  power in the  election  of  directors  of the
surviving  corporation;  provided,  however,  that no change in control shall be
deemed to have  occurred  if,  prior to such time as a change in  control  would
otherwise be deemed to have  occurred,  the Company's  Board of Directors  deems
otherwise.

                  11.      Subject to Terms of the Plan.

                  This non-incentive  stock option agreement shall be subject in
all  respects  to the terms and  conditions  of the Plan and in the event of any
question or  controversy  relating to the terms of the Plan, the decision of the
Committee shall be conclusive.

                  12.      Tax Status.

                  This option does not qualify as an  "incentive  stock  option"
under the  provisions  of Section 422A of the Internal  Revenue Code of 1986, as
amended,  and the income tax  implications  of your  receipt of a  non-incentive
stock option and your exercise of such an option  should be discussed  with your
tax counsel.

                                                     Sincerely yours,

                                                 VIMRx PHARMACEUTICALS INC.


                                                 By:_______________________
                                                   Name:___________________
                                                   Title:__________________

Agreed to and accepted this
____ day of _______ , 199 .


_____________________
Signature of Optionee


                                                      

                        1997 INCENTIVE AND NON-INCENTIVE

                                STOCK OPTION PLAN

                                       OF

                           VIMRx PHARMACEUTICALS INC.


         1.       Purpose of Plan.

                  The purpose of this Incentive and  Non-Incentive  Stock Option
Plan ("Plan") is to further the growth and development of VIMRx  Pharmaceuticals
Inc. ("Company") and any subsidiaries thereof by encouraging selected employees,
directors  and other  persons who  contribute  and are  expected  to  contribute
materially  to the  Company's  success to obtain a  proprietary  interest in the
Company through the ownership of stock,  thereby  providing such persons with an
added  incentive to promote the best  interests of the Company and affording the
Company a means of attracting to its service persons of outstanding ability.

         2.       Stock Subject to the Plan.

                  An  aggregate  of  1,000,000  shares of the  Company's  Common
Stock,  $.001 par value  ("Common  Stock")  subject,  however,  to adjustment or
change pursuant to paragraph 12 hereof,  shall be reserved for issuance upon the
exercise of options  which may be granted from time to time in  accordance  with
the Plan ("Options").  Such shares may be, in whole or in part, as the committee
appointed by the Board of Directors to  administer  the Plan  (hereinafter,  the
"Committee")  shall from time to time determine,  authorized but unissued shares
or issued shares which have been reacquired by the Company.  If, for any reason,
an Option shall  lapse,  expire or terminate  without  having been  exercised in
full,  the  unpurchased  shares  covered  thereby  shall again be available  for
purposes of the Plan.

         3.       Administration.

                  (a) Except as provided in paragraph (c) below,  the Plan shall
be  administered  by the  Committee.  The Board of Directors  shall  appoint the
Committee  from among its members.  Such  Committee  shall be composed of two or
more Directors who, to the extent  practicable,  shall be "outside directors" as
defined in  regulations  under  Section  162(m) of the Internal  Revenue Code of
1986,  as amended  (the  "Code"),  and  "non-employee  directors"  as defined by
Regulation 240.16b-3 under the Securities Exchange Act of 1934, as amended. Such
Committee  shall have and may exercise any and all of the powers relating to the
administration of the Plan and the grant of Options  thereunder as are set forth
in subparagraph 3(b) hereof as the Board of Directors shall confer and delegate.
The Board of  Directors  shall have power at any time to fill  vacancies  in, to
change the membership of, or to discharge such  Committee.  The Committee  shall
select one of its members as its  chairman  and shall hold its  meetings at such
time and at such places as it shall deem advisable. A majority of such Committee
shall  constitute a quorum and such majority  shall  determine  its action.  Any
action may be taken  without a meeting by written  consent of all the members of
the Committee.  The Committee  shall keep minutes of its  proceedings  and shall
report the same to the Board of Directors at the meeting next succeeding.

                  (b) The Committee  shall  administer the Plan and,  subject to
the  provisions  of the Plan,  shall have sole  authority in its  discretion  to
determine the persons to whom, and the time or times at which,  Options shall be
granted;  the number of shares to be subject to each such Option; the provisions
regarding  exercisability  of each Option;  the expiration  date of each Option;
whether the Option shall contain a "cashless exercise" provision; whether all or
any  portion  of the  Options  shall  be  incentive  stock  options  ("Incentive
Options")  qualifying  under  Section 422A of the Code or stock options which do
not so qualify ("Non-Incentive  Options");  whether a Non-Incentive Option shall
have  limited  transferability  as  permitted  under  the  Plan;  and  whether a
Non-Incentive  Option granted to a non-employee  shall  terminate  following the
non-employee's  termination of engagement in performing services for the Company
or its  subsidiaries  pursuant to Section 9 of the Plan. Both Incentive  Options
and  Non-Incentive  Options  may be granted to the same  person at the same time
provided   each  type  of  Option  is  clearly   designated.   In  making   such
determinations,  the  Committee may take into account the nature of the services
rendered by such  persons,  their  present  and  potential  contribution  to the
Company's success and such other factors as the Committee in its sole discretion
may deem relevant.  Subject to the express provisions of the Plan, the Committee
shall also have authority to interpret the Plan; to prescribe, amend and rescind
rules and regulations relating thereto; to determine the terms and provisions of
the respective  Option  Agreements,  which shall be  substantially  in the forms
attached  hereto  as  Exhibit  A and  Exhibit  B; to  amend  the  provisions  of
outstanding  Options to provide for accelerated  exercisability or the extension
of the  expiration  date of such Options;  and to make all other  determinations
necessary  or  advisable  for  the  administration  of the  Plan,  all of  which
determinations shall be conclusive and not subject to review.

                  (c) The Board of Directors may administer the Plan, in lieu of
and with the same powers as the Committee,  with respect to any Options  granted
or to be granted under the Plan, provided that such administration is consistent
with the provisions of Section 162(m) of the Code.


         4.       Eligibility for Receipt of Options.

                  (a) Incentive  Options.  Incentive Options may be granted only
to employees (including officers) of the Company and/or any of its subsidiaries.
A  director  of the  Company or any  subsidiary  who is not an  employee  of the
Company or of one of its  subsidiaries  is not  eligible  to  receive  Incentive
Options  under the Plan.  Further,  Incentive  Options may not be granted to any
person who, at the time the Incentive Option is granted,  owns (or is considered
as owning  within the meaning of Section  425(d) of the Code)  stock  possessing
more than 10% of the total combined  voting power of all classes of stock of the
Company or any subsidiary (10% Owner),  unless at the time the Incentive  Option
is  granted  to the 10%  Owner,  the  option  price is at least 110% of the fair
market value of the Common Stock subject  thereto and such  Incentive  Option by
its terms is not  exercisable  subsequent  to five years from the date of grant.
The aggregate fair market value  (determined as of the time an Incentive  Option
is granted) of the shares of the Company's  Common Stock  initially  purchasable
upon  exercise of an Incentive  Option  during any calendar  year may not exceed
$100,000.

                  (b)  Non-Incentive  Options.   Non-Incentive  Options  may  be
granted to any employees  (including  employees who have been granted  Incentive
Options),  directors,  consultants,  agents,  independent  contractors and other
persons whom the Board of Directors (or Committee) determines will contribute to
the Company's success.

                  (c) The  maximum  number  of  shares  that may be  subject  to
options  under this Plan  granted  during  any  calendar  year to any  executive
officer of the Company is 800,000 shares.

                  (d) In the event an outstanding  Incentive Option or a portion
thereof no longer  qualifies as an incentive  stock option under Section 422A of
the Code, such Option or portion  thereof,  as applicable,  thereafter  shall be
deemed a Non-Incentive Option under the Plan.

         5.       Option Price.

                  The  purchase  price of the shares of Common  Stock under each
Option  shall be  determined  by the  Committee,  which  determination  shall be
conclusive  and not subject to review,  but in no event shall the purchase price
be less than 100% of the fair  market  value of the Common  Stock on the date of
grant in the case of Incentive Options (110% of fair market value in the case of
Incentive  Options  granted to a 10% Owner) and 50% of the fair market  value of
the Common Stock on the date of the grant in the case of Non-Incentive Options.

                  For  purposes  of the Plan,  unless the  Committee  determines
otherwise,  the "fair  market  value" of a share of Common Stock as of a certain
date shall be the  closing  sale price of the Common  Stock on The Nasdaq  Stock
Market or, if the Common  Stock is not then traded on The Nasdaq  Stock  Market,
such national  securities  exchange on which the Common Stock is then traded, on
the trading date  immediately  preceding the date the fair market value is being
determined.  The  Committee  may make such other  determination  of fair  market
value, based on other factors, as it shall deem appropriate.

                  For purposes of the Plan, the date of grant of an Option shall
be the date on which the  Committee  shall by  resolution  duly  authorize  such
Option.

         6.       Term of Options.

                  The term of each  Option  shall be such number of years as the
Committee shall  determine,  subject to earlier  termination as herein provided,
but in no event more than ten years from the date the Option is granted.

         7.       Exercise of Options.

                  (a) Each Option shall be exercisable to the extent  determined
by the Committee,  but in no event shall an Option be exercisable until at least
six months from the date of grant.

                  (b) An Option may not be exercised  for  fractional  shares of
the Company's Common Stock.

                  (c) Except as provided in paragraphs 9, 10 and 11 hereof,  and
unless  determined  otherwise by the  Committee  with  respect to  Non-Incentive
Options  granted to  non-employees,  no Option shall be  exercisable  unless the
holder  thereof  shall  have  been an  employee,  director,  consultant,  agent,
independent  contractor  or other  person  employed by or engaged in  performing
services for the Company and/or a subsidiary continuously from the date of grant
to the date of exercise.

                  (d) The exercise of an Option shall be contingent upon receipt
from the  holder  thereof of a written  representation  that at the time of such
exercise  it is the  optionee's  then  present  intention  to acquire the Option
shares for investment and not with a view to the  distribution or resale thereof
(unless a Registration  Statement  covering the shares purchasable upon exercise
of the Options shall have been declared effective by the Securities and Exchange
Commission)  and upon  receipt by the Company of cash,  or a check to its order,
for  the  full  purchase  price  of  such  shares.  The  Committee  may,  in its
discretion,  include a "cashless  exercise"  provision in the applicable  Option
Agreement,  in  which  event  the  optionee  will be  permitted  (i) to  deliver
previously  owned  shares of Common  Stock with a fair market value equal to the
exercise price in payment of the full purchase price of such shares,  or (ii) to
request that the Company  withhold shares of Common Stock issuable upon exercise
of such  Option  with a fair market  value  equal to the  exercise  price of the
shares being purchased  under the Option (thereby  reducing the number of shares
issuable upon exercise of the Option).

                  (e) The holder of an Option shall have none of the rights of a
stockholder  with respect to the shares  purchasable upon exercise of the Option
until a  certificate  for such shares  shall have been issued to the holder upon
due exercise of the Option.

                  (f) The proceeds  received by the Company upon  exercise of an
Option shall be added to the  Company's  working  capital and be  available  for
general corporate purposes.

         8.       Transferability of Options.

                  No Option granted  pursuant to the Plan shall be  transferable
otherwise than by will or the laws of descent or distribution  and an Option may
be exercised  during the  lifetime of the holder only by such holder,  provided,
however,  that the Committee may provide for  transferability of a Non-Incentive
Option to an optionee's family members or family trusts.

         9.       Termination of Employment or Engagement.

                  (a) Except as provided in  paragraph  (b) below,  in the event
the  employment of the holder of an Option shall be terminated by the Company or
a subsidiary for any reason other than by reason of death or disability,  or the
engagement  of  a  non-employee  holder  of  a  Non-Incentive  Option  shall  be
terminated  by the  Company or a  subsidiary  for any  reason,  such holder may,
within three months from the date of such  termination,  exercise such Option to
the  extent  such  Option  was  exercisable  by such  holder at the date of such
termination.   Notwithstanding  the  foregoing,   no  Option  may  be  exercised
subsequent  to the date of its  expiration.  Absence  on leave  approved  by the
employer  corporation  shall not be considered an interruption of employment for
any purpose under the Plan. In addition, at the discretion of the Committee, the
exercisability of an outstanding  Non-Incentive Option may be extended to a date
determined by the Committee but not beyond ten years from the date of grant.

                  (b) The Committee may, in its discretion, at the time of grant
or by amending  the  applicable  outstanding  Non-Incentive  Option,  delete the
foregoing  termination  provision with respect to a Non-Incentive Option granted
to a non-employee of the Company or its subsidiaries.

                  (c)  Nothing  in the Plan or in any Option  Agreement  granted
hereunder shall confer upon any Optionholder any right to continue in the employ
of the Company or any  subsidiary  or obligate the Company or any  subsidiary to
continue the  engagement  of any  Optionholder  or interfere in any way with the
right of the Company or any such  subsidiary  to terminate  such  Optionholder's
employment or engagement at any time.

         10.      Disability of Holder of Option.

                  If  the  employment  of  the  holder  of an  Option  shall  be
terminated by reason of such holder's disability, such holder may, within twelve
months  from the date of such  termination,  exercise  such option to the extent
such  Option was  exercisable  by such  holder at the date of such  termination.
Notwithstanding the foregoing, no Option may be exercised subsequent to the date
of its expiration.

         11.      Death of Holder of Option.

                  If the holder of any Option  shall die while in the employ of,
or while performing services for, the Company or one or more of its subsidiaries
(or within six months  following  termination of employment due to  disability),
the Option theretofore granted to such person may be exercised,  but only to the
extent such Option was  exercisable by the holder at the date of death (or, with
respect to employees,  the date of  termination of employment due to disability)
by the legatee or legatees of such person under such  person's  Last Will, or by
such person's personal representative or distributees, within twelve months from
the  date of death  but in no event  subsequent  to the  expiration  date of the
Option.

         12.      Adjustments Upon Changes in Capitalization.

                  If at any time  after  the date of  grant  of an  Option,  the
Company shall by stock  dividend,  split-up,  combination,  reclassification  or
exchange, or through merger or consolidation or otherwise,  change its shares of
Common  Stock  into a  different  number  or kind or  class of  shares  or other
securities or property, then the number of shares covered by such Option and the
price per share thereof shall be proportionately adjusted for any such change by
the Committee whose determination thereon shall be conclusive.

         13.      Acceleration of Exercisability Upon Change in Control.


                  Upon the  occurrence  of a "change in  control" of the Company
(as defined  below),  all  outstanding  Options shall become  immediately  fully
exercisable.  For  purposes  of the Plan,  a "change in  control" of the Company
shall mean (i) the  acquisition  at any time by a "person"  or "group"  (as such
terms are used  Sections  13(d) and 14(d)(2) of the  Exchange Act of  beneficial
ownership  (as  defined in Rule  13d-3  under the  Exchange  Act),  directly  or
indirectly,  of securities representing 50% or more of the combined voting power
in the election of directors of the then  outstanding  securities of the Company
or any successor or the Company;  (ii) the  termination of service of directors,
for any reason  other than death,  disability  or  retirement  from the Board of
Directors,  during any period of two  consecutive  years or less, of individuals
who at the  beginning  of such  period  constituted  a majority  of the Board of
Directors,  unless  the  election  of or  nomination  for  election  of each new
director during such period was approved by a vote of at least two-thirds of the
directors  still in office who were  directors  at the  beginning of the period;
(iii) approval by the stockholders of the Company of any merger,  consolidation,
or  statutory  share  exchange  as a result of which the Common  Stock  shall be
changed,  converted or exchanged  (other than a merger,  consolidation  or share
exchange with a  wholly-owned  Subsidiary)  or liquidation of the Company or any
sale or  disposition  of 80% or more  of the  assets  or  earning  power  or the
Company;  or (iv)  approval  by the  stockholders  of the Company of any merger,
consolidation,  or statutory share exchange to which the Company is a party as a
result of which  the  persons  who were  stockholders  immediately  prior to the
effective  date of the  merger,  consolidation  or  share  exchange  shall  have
beneficial  ownership  of less  than  50% of the  combined  voting  power in the
election of directors of the surviving corporation;  provided,  however, that no
change in control  shall be deemed to have  occurred if, prior to such time as a
change in control  would  otherwise be deemed to have  occurred,  the  Company's
Board of Directors deems otherwise.




<PAGE>



         14.      Vesting of Rights Under Options.


                  Neither  anything  contained in the Plan nor in any resolution
adopted  or to be  adopted  by the  Committee,  the  Board of  Directors  or the
stockholders of the Company shall constitute the vesting of any rights under any
Option.  The vesting of such rights shall take place only when a written  Option
Agreement,  substantially  in the form of the Incentive  Stock Option  Agreement
attached  hereto  as  Exhibit  A or the  Non-Incentive  Stock  Option  Agreement
attached  hereto as Exhibit B, shall be duly  executed  and  delivered by and on
behalf of the Company and the person to whom the Option shall be granted.

         15.      Withholding Taxes.

                  Whenever   under  the  Plan   shares   are  to  be  issued  in
satisfaction  of the exercise of Options granted  thereunder,  the Company shall
have the  right to  require  the  recipient  to remit to the  Company  an amount
sufficient to satisfy  federal,  state and local  withholding  tax  requirements
prior to the delivery of any certificate or certificates for such shares.

         16.      Termination and Amendment.

                  The Plan,  which was  adopted  by the  Board of  Directors  on
February 6, 1997 and is subject to  stockholder  approval,  shall  terminate  on
February 6, 2007 and no Option shall be granted  under the Plan after such date.
The Board of Directors may at any time prior to such date  terminate the Plan or
make such  modifications  or  amendments  thereto  as it shall  deem  advisable,
provided, however, that shareholder approval shall be required:

         (i)      to increase the number of shares reserved for issuance under 
                  the Plan;

         (ii)     to materially increase the benefits accruing to participants
                  under the Plan;

        (iii)     to materially modify the requirements of eligibility for 
                  participation in the Plan; or

         (iv)     if  otherwise  required  to comply  with the  incentive  stock
                  option  provisions of Section 162(m) of the Code or the listed
                  company  requirements  of  The  Nasdaq  Stock  Market  or of a
                  national securities exchange on which the Common Stock is then
                  traded,

and, provided, further, that no modification or amendment shall adversely affect
the rights of a holder of an Option  previously  granted  under the Plan without
such holder's written consent.



<PAGE>







                                                          5

                                                                  EXHIBIT A

                           VIMRx PHARMACEUTICALS INC.

                        INCENTIVE STOCK OPTION AGREEMENT

                             ----------------------

To:

                  We are pleased to notify you that by the  determination of the
Stock Option Plan Committee  (hereinafter  the  "Committee")  an incentive stock
option to purchase  _____  shares of the Common  Stock of VIMRx  Pharmaceuticals
Inc.  (herein  called the  "Company") at a price of $ _______ per share has this
day of ________  been  granted to you under the  Company's  1997  Incentive  and
Non-Incentive  Stock Option Plan (herein called the "Plan").  This option may be
exercised only upon the terms and conditions set forth below.


<PAGE>






                  1.        Purpose of Option.

                  The  purpose of the Plan  under  which  this  incentive  stock
option has been granted is to further the growth and  development of the Company
and its  subsidiaries  by  encouraging  key employees,  directors,  consultants,
agents,  independent  contractors  and  other  persons  who  contribute  and are
expected  to  contribute  materially  to  the  Company's  success  to  obtain  a
proprietary  interest in the Company  through the  ownership  of stock,  thereby
providing such persons with an added  incentive to promote the best interests of
the Company,  and  affording  the Company a means of  attracting  to its service
persons of outstanding ability.


                  2.       Acceptance of Option Agreement.

                  Your execution of this incentive  stock option  agreement will
indicate your  acceptance of and your  willingness to be bound by its terms;  it
imposes no  obligation  upon you to purchase  any of the shares  subject to this
option.  Your obligation to purchase shares can arise only upon your exercise of
the option in the manner set forth in paragraph 4 hereof.


                  3.       When Option May Be Exercised.

                  (a) The option  granted you hereunder may not be exercised for
a period of six months from the date of its grant by the  Committee as set forth
above. Thereafter, this option shall be exercisable as follows:


             [Insert exercisability  provisions.  A typical example,  although
              not required under the Plan, is as follows:]

             [(i)           at the end of one year from the date of  grant,
                            up to 25% of the total shares subject to the option;

             (ii)           at the end of the second year from the date of
                            grant, up to 50%;

            (iii)           A the end of the third year from the date of grant,
                            up to 75%;

            (iv)            at the end of the fourth year from the date of
                            grant, up to 100%.]

This  option may not be  exercised  for less than ten shares at any one time (or
the remaining  shares then  purchasable if less than ten) and expires at the end
of  ________  years  [insert  number of years;  maximum up ten] from the date of
grant  whether  or not it has been  duly  exercised  (hereinafter,  the  "Option
Expiration Date"),  unless sooner terminated as provided in paragraphs 5, 6 or 7
hereof.


                  4.       How Option May Be Exercised.

                  This option is  exercisable  by a written notice signed by you
and delivered to the Company at its executive offices,  signifying your election
to  exercise  the  option.  The notice must state the number of shares of Common
Stock as to which your option is being  exercised,  must  contain a statement by
you (in a form acceptable to the Company) that such shares are being acquired by
you for investment and not with a view to their distribution or resale (unless a
Registration  Statement  covering  the  shares  purchasable  has  been  declared
effective by the Securities and Exchange  Commission) and must be accompanied by
cash or a check to the order of the Company for the full  purchase  price of the
shares being purchased [if "cashless  exercise" is permitted,  add the following
phrase:]  [, unless  exercised  pursuant to the  following  "cashless  exercise"
provision.]

         [Insert the following "cashless exercise" provision,  if granted by the
Committee:] [In lieu of paying for the shares  purchasable  under this option by
cash or check, you may (i) deliver  previously owned shares of Common Stock with
a fair  market  value  equal to the full  purchase  price  of the  shares  being
purchased under this option, or (ii) request that the Company withhold shares of
Common  Stock  issuable  upon  exercise of this option with a fair market  value
equal to the full purchase price of the shares being purchased under this option
(thereby  reducing the number of shares  issuable upon exercise of this option).
For purposes of this option,  unless the  Committee  determines  otherwise,  the
"fair market value" of a share of Common Stock as of a certain date shall be the
closing  sale price of the Common  Stock on The Nasdaq  Stock  Market or, if the
Common  Stock is not then  traded on The  Nasdaq  Stock  Market,  such  national
securities  exchange on which the Common  Stock is then  traded,  on the trading
date immediately  preceding the date fair market value is being determined.  The
Committee may make such other determination of fair market value, based on other
factors, as it shall deem appropriate.]

                  If notice of the  exercise of this option is given by a person
or persons  other than you,  the Company  may  require,  as a  condition  to the
exercise of this option,  the submission to the Company of appropriate  proof of
the right of such person or persons to exercise this option.

                  Certificates  for shares of the Common Stock so purchased will
be issued as soon as practicable. The Company, however, shall not be required to
issue or deliver a  certificate  for any shares until it has  complied  with all
requirements of the Securities Act of 1933, the Securities Exchange Act of 1934,
any stock  exchange on which the  Company's  Common Stock may then be listed and
all applicable state laws in connection with the issuance or sale of such shares
or the  listing  of such  shares on said  exchange.  Until the  issuance  of the
certification  for such  shares,  you or such other person as may be entitled to
exercise this option shall have none of the rights of a stockholder with respect
to shares subject to this option.

                  The Company shall have the right to require you, or such other
person as may be permitted to exercise  this option,  to remit to the Company an
amount   sufficient  to  satisfy  federal,   state  and  local  withholding  tax
requirements prior to the delivery of any certificate or certificates for shares
of Common Stock issuable upon exercise of this option.

                  5.       Termination of Employment.

                  If your employment with the Company (or a subsidiary  thereof)
is  terminated  for any  reason  other  than by  death  or  disability,  you may
exercise, within three months from the date of such termination, that portion of
the  option  which  was  exercisable  by you at the  date of  such  termination,
provided, however, that such exercise occurs no later than the Option Expiration
Date.

                  6.       Disability.

                  If your employment with the Company (or a subsidiary  thereof)
is terminated  by reason of your  disability,  you may  exercise,  within twelve
months from the date of such termination,  that portion of this option which was
exercisable by you at the date of such termination, provided, however, that such
exercise occurs no later than the Option Expiration Date.

                  7.       Death.

                  If you die while  employed  by the  Company  (or a  subsidiary
thereof)  or within six  months  after  termination  of your  employment  due to
disability, that portion of this option which was exercisable by you at the date
of your death may be exercised by your legatee or legatees  under your Will,  or
by your personal representatives or distributees,  within twelve months from the
date of your death, but in no event after the Option Expiration Date.

                  8.       Non-Transferability of Option.

                  This option  shall not be  transferable  except by Will or the
laws of descent and distribution, and may be exercised during your lifetime only
by you.

                  9.       Adjustments upon Changes in Capitalization.

                  If at any time  after  the date of grant of this  option,  the
Company shall, by stock dividend,  split-up,  combination,  reclassification  or
exchange, or through merger or consolidation, or otherwise, change its shares of
Common  Stock  into a  different  number  or kind or  class of  shares  or other
securities or property, then the number of shares covered by this option and the
price of each such share shall be  proportionately  adjusted for any such change
by the Committee, whose determination shall be conclusive.

                  10.     Acceleration of Exercisability Upon Change in Control.

                  Upon the  occurrence  of a "change in  control" of the Company
(as defined below), this option shall become immediately fully exercisable.  For
purposes of this option, a "change in control" of the Company shall mean (i) the
acquisition  at any  time by a  "person"  or  "group"  (as such  terms  are used
Sections  13(d) and  14(d)(2) of the Exchange Act of  beneficial  ownership  (as
defined in Rule 13d-3  under the  Exchange  Act),  directly  or  indirectly,  of
securities representing 50% or more of the combined voting power in the election
of directors of the then outstanding  securities of the Company or any successor
or the Company;  (ii) the  termination  of service of directors,  for any reason
other than death,  disability or retirement from the Board of Directors,  during
any period of two consecutive years or less, of individuals who at the beginning
of such  period  constituted  a majority of the Board of  Directors,  unless the
election of or nomination  for election of each new director  during such period
was approved by a vote of at least  two-thirds of the directors  still in office
who were  directors  at the  beginning  of the  period;  (iii)  approval  by the
stockholders  of the Company of any merger,  consolidation,  or statutory  share
exchange as a result of which the Common  Stock shall be changed,  converted  or
exchanged  (other  than  a  merger,  consolidation  or  share  exchange  with  a
wholly-owned   Subsidiary)  or  liquidation  of  the  Company  or  any  sale  or
disposition  of 80% or more of the assets or earning  power or the  Company;  or
(iv) approval by the  stockholders of the Company of any merger,  consolidation,
or statutory share exchange to which the Company is a party as a result of which
the persons who were stockholders immediately prior to the effective date of the
merger,  consolidation or share exchange shall have beneficial ownership of less
than 50% of the  combined  voting  power in the  election  of  directors  of the
surviving  corporation;  provided,  however,  that no change in control shall be
deemed to have  occurred  if,  prior to such time as a change in  control  would
otherwise be deemed to have  occurred,  the Company's  Board of Directors  deems
otherwise.


                  11.      Subject to Terms of the Plan.

                  This incentive stock option  agreement shall be subject in all
respects  to the  terms  and  conditions  of the  Plan  and in the  event of any
question or  controversy  relating to the terms of the Plan, the decision of the
Committee shall be conclusive.

                                                     Sincerely yours,

                                                     VIMRx PHARMACEUTICALS INC.



                                                     By:
                                      Name:
                                     Title:


Agreed to and accepted this
      day of          , 199 .



Signature of Optionee


<PAGE>







                                                          2

                                                                     EXHIBIT B

                           VIMRx PHARMACEUTICALS INC.

                      NON-INCENTIVE STOCK OPTION AGREEMENT

                     ---------------------------------------

To:

                  We are pleased to notify you that by the  determination of the
Stock Option Plan  Committee  (herein called the  "Committee")  a  non-incentive
stock  option  to  purchase   ______   shares  of  the  Common  Stock  of  VIMRx
Pharmaceuticals  Inc.  (herein  called the "Company") at a price of $ ______ per
share has this day of  ___________  been granted to you under the Company's 1997
Incentive and Non-Incentive  Stock Option Plan (herein called the "Plan").  This
option may be exercised only upon the terms and conditions set forth below.



<PAGE>





                  1.       Purpose of Option.

                  The purpose of the Plan under which this  non-incentive  stock
option has been granted is to further the growth and  development of the Company
and its  subsidiaries  by  encouraging  key employees,  directors,  consultants,
agents,  independent  contractors  and  other  persons  who  contribute  and are
expected  to  contribute  materially  to  the  Company's  success  to  obtain  a
proprietary  interest in the Company  through the  ownership  of stock,  thereby
providing such persons with an added  incentive to promote the best interests of
the Company,  and  affording  the Company a means of  attracting  to its service
persons of outstanding ability.


                  2.       Acceptance of Option Agreement.

                  Your execution of this  non-incentive  stock option  agreement
will indicate your acceptance of and your  willingness to be bound by its terms;
it imposes no obligation  upon you to purchase any of the shares subject to this
option.  Your obligation to purchase shares can arise only upon your exercise of
the option in the manner set forth in paragraph 4 hereof.


                  3.       When Option May Be Exercised.

                  The option  granted  you  hereunder  shall be  exercisable  as
follows:  [set forth terms and expiration date of Option,  but in no event shall
the Option be exercisable until at least six months from the date of grant].

                  This option may not be  exercised  for less than ten shares at
any one time (or the  remaining  shares then  purchasable  if less than ten) and
expires at the end of ________  years [insert  number of years;  maximum up ten]
from the date of grant whether or not it has been duly  exercised  (hereinafter,
the  "Option  Expiration  Date"),   unless  sooner  terminated  as  provided  in
paragraphs 5, 6 or 7 hereof.


                  4.       How Option May Be Exercised.

                  This option is  exercisable  by a written notice signed by you
and delivered to the Company at its executive offices,  signifying your election
to  exercise  the  option.  The notice must state the number of shares of Common
Stock as to which your option is being  exercised,  must  contain a statement by
you (in a form acceptable to the Company) that such shares are being acquired by
you for investment and not with a view to their distribution or resale (unless a
Registration Statement covering the shares purchased has been declared effective
by the Securities and Exchange  Commission) and must be accompanied by cash or a
check to the order of the  Company  for the full  purchase  price of the  shares
being purchased, plus such amount, if any, as is required for withholding taxes.
[If   "cashless   exercise"   is   permitted,   add   the   following   phrase:]
[Notwithstanding  the foregoing,  this option may also be exercised  pursuant to
the following "cashless exercise" provision.]

         [Insert the following "cashless exercise" provision,  if granted by the
Committee:] [In lieu of paying for the shares  purchasable  under this option by
cash or check, you may (i) deliver  previously owned shares of Common Stock with
a fair  market  value  equal to the full  purchase  price  of the  shares  being
purchased under this option, or (ii) request that the Company withhold shares of
Common  Stock  issuable  upon  exercise of this option with a fair market  value
equal to the full purchase price of the shares being purchased under this option
(thereby  reducing the number of shares  issuable upon exercise of this option).
For purposes of this option,  unless the  Committee  determines  otherwise,  the
"fair market value" of a share of Common Stock as of a certain date shall be the
closing  sale price of the Common  Stock on The Nasdaq  Stock  Market or, if the
Common  Stock is not then  traded on The  Nasdaq  Stock  Market,  such  national
securities  exchange on which the Common  Stock is then  traded,  on the trading
date immediately  preceding the date fair market value is being determined.  The
Committee may make such other determination of fair market value, based on other
factors, as it shall deem appropriate.] .
                  If notice of the  exercise of this option is given by a person
or persons  other than you,  the Company  may  require,  as a  condition  to the
exercise of this option,  the submission to the Company of appropriate  proof of
the right of such person or persons to exercise this option.

                  Certificates  for shares of the Common Stock so purchased will
be issued as soon as practicable. The Company, however, shall not be required to
issue or deliver a  certificate  for any shares until it has  complied  with all
requirements of the Securities Act of 1933, the Securities Exchange Act of 1934,
any stock  exchange on which the  Company's  Common Stock may then be listed and
all applicable state laws in connection with the issuance or sale of such shares
or the  listing  of such  shares on said  exchange.  Until the  issuance  of the
certificate  for such  shares,  you or such other  person as may be  entitled to
exercise this option shall have none of the rights of a stockholder with respect
to shares subject to this option.

                  The Company shall have the right to require you, or such other
person as may be permitted to exercise  this option,  to remit to the Company an
amount   sufficient  to  satisfy  federal,   state  and  local  withholding  tax
requirements prior to the delivery of any certificate or certificates for shares
of Common Stock issuable upon exercise of this option.

                  5.       Termination of Employment or Engagement.

                  [The Committee may determine to delete this provision,  at the
time of grant or by  amendment,  to a  non-employee,  in which  event  the words
"Intentionally omitted" should be inserted.] If your employment with the Company
(or a subsidiary  thereof) is  terminated  for any reason other than by death or
disability,  or if a you are not an employee of the Company and your  engagement
by the Company (or a subsidiary) is terminated for any reason, you may exercise,
within  three  months from the date of such  termination,  that  portion of this
option which was exercisable by you at the date of such  termination,  provided,
however, that such exercise occurs prior to the Option Expiration Date.

                  6.       Disability.

                  If your employment with the Company (or a subsidiary  thereof)
is terminated  by reason of your  disability,  you may  exercise,  within twelve
months from the date of such termination,  that portion of this option which was
exercisable by you at the date of such termination, provided, however, that such
exercise occurs prior to the Option Expiration Date.

                  7.       Death.

                  If you die while  employed  by the  Company  (or a  subsidiary
thereof)  or within six  months  after  termination  of your  employment  due to
disability, that portion of this option which was exercisable by you at the date
of your death may be exercised by your legatee or legatees  under your Will,  or
by your personal representatives or distributees,  within twelve months from the
date of your death, but in no event after the Option Expiration Date.

                  8.       Non-Transferability of Option.

                  This option  shall not be  transferable  except by Will or the
laws of descent and distribution, and may be exercised during your lifetime only
by you.

[Alternative Section 8, if provided for by the Committee:]

                  [8.      Limited Transferability of Option.

                  This  option  shall not be  transferable  except to members of
your family or to your family  trust(s),  and by Will or the laws of descent and
distribution.]

                  9.       Adjustments upon Changes in Capitalization.

                  If at any time  after  the date of grant of this  option,  the
Company shall, by stock dividend,  split-up,  combination,  reclassification  or
exchange, or through merger or consolidation, or otherwise, change its shares of
Common  Stock  into a  different  number  or kind or  class of  shares  or other
securities or property, then the number of shares covered by this option and the
price of each such share shall be  proportionately  adjusted for any such change
by the Committee, whose determination shall be conclusive.

                  10.     Acceleration of Exercisability Upon Change in Control.

                  Upon the  occurrence  of a "change in  control" of the Company
(as defined below), this option shall become immediately fully exercisable.  For
purposes of this option, a "change in control" of the Company shall mean (i) the
acquisition  at any  time by a  "person"  or  "group"  (as such  terms  are used
Sections  13(d) and  14(d)(2) of the Exchange Act of  beneficial  ownership  (as
defined in Rule 13d-3  under the  Exchange  Act),  directly  or  indirectly,  of
securities representing 50% or more of the combined voting power in the election
of directors of the then outstanding  securities of the Company or any successor
or the Company;  (ii) the  termination  of service of directors,  for any reason
other than death,  disability or retirement from the Board of Directors,  during
any period of two consecutive years or less, of individuals who at the beginning
of such  period  constituted  a majority of the Board of  Directors,  unless the
election of or nomination  for election of each new director  during such period
was approved by a vote of at least  two-thirds of the directors  still in office
who were  directors  at the  beginning  of the  period;  (iii)  approval  by the
stockholders  of the Company of any merger,  consolidation,  or statutory  share
exchange as a result of which the Common  Stock shall be changed,  converted  or
exchanged  (other  than  a  merger,  consolidation  or  share  exchange  with  a
wholly-owned   Subsidiary)  or  liquidation  of  the  Company  or  any  sale  or
disposition  of 80% or more of the assets or earning  power or the  Company;  or
(iv) approval by the  stockholders of the Company of any merger,  consolidation,
or statutory share exchange to which the Company is a party as a result of which
the persons who were stockholders immediately prior to the effective date of the
merger,  consolidation or share exchange shall have beneficial ownership of less
than 50% of the  combined  voting  power in the  election  of  directors  of the
surviving  corporation;  provided,  however,  that no change in control shall be
deemed to have  occurred  if,  prior to such time as a change in  control  would
otherwise be deemed to have  occurred,  the Company's  Board of Directors  deems
otherwise.

                  11.      Subject to Terms of the Plan.

                  This non-incentive  stock option agreement shall be subject in
all  respects  to the terms and  conditions  of the Plan and in the event of any
question or  controversy  relating to the terms of the Plan, the decision of the
Committee shall be conclusive.

                  12.      Tax Status.

                  This option does not qualify as an  "incentive  stock  option"
under the  provisions  of Section 422A of the Internal  Revenue Code of 1986, as
amended,  and the income tax  implications  of your  receipt of a  non-incentive
stock option and your exercise of such an option  should be discussed  with your
tax counsel.

                                                     Sincerely yours,

                                                     VIMRx PHARMACEUTICALS INC.


                                                     By:
                                                          Name:
                                                          Title:

Agreed to and accepted this
     day of          , 199 .


Signature of Optionee










                           VIMRx Pharmaceuticals Inc.
                              2751 Centerville Road
                           Suite 210, Little Falls II
                           Wilmington, Delaware 19808


                                                           October 30, 1996



Mr. Richard L. Dunning
909 Cecil Road
Westover Hills
Wilmington, DE  19807

Dear Dick:

         This letter agreement amends,  modifies,  clarifies and restates in all
respects   the   agreement   dated  March  27,   1996   between  you  and  VIMRx
Pharmaceuticals Inc. ("VIMRx") as to the terms and conditions of your employment
by VIMRx.


         1. In your capacity as President and Chief Executive  Officer of VIMRx,
you will  report to  VIMRx's  Board of  Directors.  VIMRx has  caused  you to be
elected to its Board of  Directors,  as well as to the Board of Directors of one
or more  subsidiaries of VIMRx,  and, at the option of the Board of Directors of
VIMRx,  you agree to serve,  for no  additional  compensation,  as a Director of
VIMRx  and as a  Director  and/or  officer  of  any  or all of its  subsidiaries
throughout the term of your employment.


         2. The term of your  employment  commenced on March 27, 1996, and shall
continue until  terminated  under the provisions of Paragraph 6 below. You are a
full-time  employee of VIMRx and agree to devote your business and  professional
time,  energy and skills to the  affairs  of VIMRx and its  subsidiaries  and to
serve VIMRx faithfully and to the best of your ability.

         3.  (a)  As  compensation  for  the  services  to be  rendered  by  you
hereunder,  VIMRx will pay you (i) a signing  bonus of  $40,000  payable on your
execution  and  delivery  of this  letter  agreement,  and (ii) a base salary of
$200,000 per annum,  payable in  installments in accordance with VIMRx's regular
payroll practices, and (iii) an annual cash bonus to be determined in accordance
with the provisions of subparagraph 3(d).

             (b) As  additional  compensation,  VIMRx has awarded you  Incentive
Stock Options to purchase  156,064 shares of VIMRx Common Stock pursuant to that
certain  Incentive  Stock  Option  Agreement  dated  March  28,  1996  (the "ISO
Agreement"), and Non-Incentive Stock Options to purchase 643,936 Shares of VIMRx
Common Stock pursuant to that certain Non-Incentive Stock Option Agreement dated
March 28, 1996 (the  "Non-ISO  Agreement").  Subject to approval by the Board of
Directors,  VIMRx will amend your Non-ISO Agreement to include  provisions as to
the following matters:

                        (i) The shares  subject to the  Non-ISO  agreement  will
become exercisable as follows:

                           March 28, 1997                     214,649 shares
                           March 28, 1998                     214,649 shares
                           March 28, 1999                     214,648 shares

                        (ii) Subject to the provisions of the Non-ISO  Agreement
regarding  termination of employment,  the exercisability of all options subject
to the Non-ISO Agreement shall expire on March 27, 2006.

                        (iii) In the event  your  employment  is  terminated  by
VIMRx (except for "cause" (as hereinafter defined), but including "constructive"
termination  pursuant to Paragraph 6(f) of this letter agreement and termination
on account of permanent disability (as hereinafter  defined)) on or before March
27, 1997, options to purchase 214,649 shares will immediately become exercisable
and may be exercised at any time during the  three-month  period  following  the
effective  date of such  termination,  and the  exercisability  of the remaining
shares  subject to the Non-ISO  Agreement  will  lapse.  In the event you are so
terminated  after March 27, 1997, all options  subject to the Non-ISO  Agreement
will immediately  become exercisable and may be exercised at any time during the
three-month  period  following the effective date of such  termination but in no
event subsequent to March 27, 2006;

                        (iv) In the event you die on or before  March 27,  1997,
options to purchase 214,649 shares will immediately  become  exercisable and the
exercisability  of the remaining  shares  subject to the Non-ISO  Agreement will
lapse.  In the event you die  thereafter,  all  options  subject to the  Non-ISO
Agreement  will  become  exercisable.  In  either  event,  such  options  may be
exercised by your heirs, personal  representatives or distributees within twelve
months of the date of your death but in no event after March 27, 2006.

                        (v) All  shares  subject  to the ISO  Agreement  and the
Non-ISO  Agreement will be registered on Form S-8 as soon as  practicable  after
the Board of Directors approves such registration.

                        (vi) In the  event (i) a sale of  substantially  all the
assets of VIMRx, to a Person (as hereinafter  defined) other than an "Affiliate"
(as hereinafter defined) of VIMRx, is consummated,  or (ii) any Person, or group
of Persons  acting in concert,  directly or indirectly,  by purchase,  merger or
otherwise,  acquires beneficial  ownership of stock representing more than fifty
percent (50%) of the voting power of the then outstanding stock of VIMRx (or any
successor of VIMRx by merger or consolidation),  or (iii) a single  transaction,
or a series  of  related  transactions,  is  consummated  pursuant  to which the
beneficial  ownership  of more than fifty  percent  (50%) of the voting stock of
VIMRx changes,  all stock options  theretofore  granted to you under the Non-ISO
Agreement will  accelerate and become  exercisable as of the date of such event.
For purposes of this  subparagraph  3(b):  "Person"  shall mean any  individual,
company,  limited liability company,  partnership,  association,  trust or other
entity; an "Affiliate" of a Person shall mean any Person controlling, controlled
by or under common  control with such Person;  and open market  transactions  by
unaffiliated  Persons  not  acting  in  concert  shall  not be  deemed  "related
transactions."

             (c) You will be eligible to participate in VIMRx's medical, dental,
life and long-term  disability  insurance and other benefit programs,  including
any 401(k) or other  retirement  plans,  from time to time in effect for VIMRx's
senior executives, your participation in any such plans to be in accordance with
their  respective  terms and  conditions.  In lieu of  participation  in VIMRx's
medical  and  dental  plans  (if any) you may elect to  receive  a $500  monthly
allowance therefor.

             (d) Your performance will be reviewed  annually by VIMRx's Board of
Directors,  in  connection  with  which  your  annual  cash  bonus and  possible
increases in your base  compensation for the future will be discussed,  it being
understood  that any such  decisions  shall be within the  discretion of VIMRx's
Board of Directors and/or its Compensation Committee (or other similar committee
duly appointed by VIMRx's Board of Directors). However, it is further understood
that  the  annual  cash  bonus is  initially  targeted  at at least  33% of base
compensation, assuming satisfactory performance.

         4. You will be  entitled  to take up to an  aggregate  of four weeks of
vacation each calendar year as business  conditions  permit, it being understood
that no more than one week of unused vacation per year of service with VIMRx may
be carried over to the succeeding  year.  VIMRx shall not be required to provide
any additional compensation to you for vacation time not utilized by you.

         5. VIMRx will reimburse you for all reasonable and documented  business
expenses  incurred by you on behalf of VIMRx during the term of your  employment
hereunder  consistent with VIMRx's expense  reporting policy (as the same may be
modified from time to time).  Notwithstanding  anything  herein to the contrary,
the  provisions  of  this  Paragraph  5  shall  survive  the  effective  date of
termination of this Agreement for a period of six months.

         6. (a) Your employment hereunder may be terminated at any time by VIMRx
for cause (as such term is hereinafter defined) or, upon at least 60 days' prior
written notice by you or by VIMRx, without cause.

            (b) In the event your  employment  is  terminated  by VIMRx  without
cause,  this  Agreement  shall  terminate  immediately  on the effective date of
termination of your employment; provided, however, that:

                        (i)  you  will  be  paid  six  months'  base  salary  as
severance in monthly  installments  (in arrears)  beginning the first full month
following the cessation of your employment with VIMRx; and

                        (ii) you will be  entitled  to receive  any  accrued but
unpaid salary earned by you through the effective date of such termination.

             (c) No severance  shall be paid or payable to you in the event your
employment  is  terminated  for  cause,  or you  voluntarily  resign  from  your
employment   with  VIMRx,   in  which  events  this  Agreement  shall  terminate
immediately  upon the effective date of  termination of your  employment or upon
the effective date of your resignation,  respectively;  provided,  however, that
VIMRx shall  nonetheless  be obligated to pay you any accrued but unpaid  salary
earned by you through the date of such termination.

             (d) For purposes of this  Agreement,  termination for "cause" shall
mean  termination  due to any or more of the following:  (i) if you are indicted
for committing a felony or a decision or  determination is rendered by any court
or  governmental  authority  that you have  committed any act  involving  fraud,
willful misconduct,  dishonesty, breach of trust or moral turpitude; (ii) if you
willfully  breach  your  duty of  loyalty  to,  or  commit  an act of  fraud  or
dishonesty  upon,  VIMRx;  (iii) if you demonstrate  gross negligence or willful
misconduct in connection with your employment;  (iv) if, in the reasonable, good
faith  opinion of a majority  of VIMRx's  whole  Board of  Directors  (excluding
yourself,  if you shall then be a director  of  VIMRx),  you engage in  personal
misconduct of such a material nature as to render your presence as President and
Chief Executive  Officer  detrimental to VIMRx or its reputation and you fail to
cure the same within five days after notice  thereof  from VIMRx;  or (v) if you
commit a material breach of or a default under any of the terms or conditions of
this Agreement and you fail to cure such breach or default within ten days after
prior written notice thereof from VIMRx.

             (e) Your employment hereunder shall terminate immediately upon your
death or "permanent disability" (as such term is hereinafter defined). In either
such event,  this Agreement  shall terminate  immediately  upon the cessation of
your employment;  provided,  however, you (or your legal representative,  as the
case may be) will be entitled to receive any accrued but unpaid salary earned by
you through the date of such termination, plus severance in monthly installments
(in  arrears),  beginning  the  first  full  month  following  the  date of such
termination,  in an aggregate amount equal to the positive  difference,  if any,
between (x) the base salary you would have received hereunder for the six months
immediately  following such termination  date had your employment  continued for
such six month  period,  and (y) the total  monies  paid or  payable to you with
respect to such six month period under the long-term disability insurance policy
or policies  maintained by VIMRx for your benefit,  if any. For purposes of this
Agreement,  the term "permanent  disability" shall have the meaning set forth in
the long-term  disability  insurance policy or policies then maintained by VIMRx
for the benefit of its employees,  or if no such policy shall then be in effect,
or if more  than one such  policy  shall  then be in  effect  in which  the term
"permanent  disability" shall be assigned different  definitions,  then the term
"permanent disability" shall be defined for purposes hereof to mean any physical
or  mental  disability  or  incapacity  which  renders  you  incapable  of fully
performing  the services  required of you in  accordance  with your  obligations
hereunder for a period aggregating 120 days during any twelve-month period.

             (f) In the event of occurrence of any of the following events,  you
shall  have the right to  terminate  your  employment  with VIMRx on at least 60
days' notice.  Subject to the foregoing  provisions of this  Paragraph 6, in the
event  such  notice  is given by you  within  30 days of any one or more of such
events,  such  termination  of employment  shall be deemed  termination  of your
employment by VIMRx without "cause" within the meaning of this Paragraph 6:

                        (i) a material breach of or default under this Agreement
by VIMRx  which is not cured by VIMRx  within ten (10) days after its receipt of
written notice thereof from you;

                        (ii) a material  reduction  in your duties or a material
interference  with the exercise of your  authority by VIMRx's Board of Directors
(not arising from any physical or mental disability you may sustain) which would
be inconsistent  with the position of President and Chief  Executive  Officer of
VIMRx and the same shall not have been  alleviated by VIMRx's Board of Directors
within ten (10) days after its receipt of written notice thereof from you;

                        (iii) relocation of VIMRx's principal  executive offices
to a location  whose  distance  is at least fifty (50) miles  farther  from your
current  residence in  Wilmington,  Delaware than the distance  between  VIMRx's
offices in the Wilmington,  Delaware, area and such residence address,  provided
that you shall not have approved the decision to effect such relocation.

             (g)  Notwithstanding  anything in Paragraphs  6(b) or 6(c) above to
the contrary:

                        (i) you  shall  not  have  any  obligation  to  VIMRx to
mitigate any  termination  of your  employment  whereby you would be required by
VIMRx promptly to seek, procure or commence substitute employment; and

                        (ii) in the event you do seek,  procure or commence such
substitute  employment,  none of the  income  derived  or to be  derived  by you
therefrom  shall be  setoff  by  VIMRx  against  the  balance  of any  severance
payments, if any, owing to you by VIMRx under this Agreement.

         7. You hereby agree that you shall not, directly or indirectly,  during
the term of your employment hereunder and until the expiration of one year after
you cease to be so employed by VIMRx,  own, manage,  operate,  join,  control or
become  employed by, or render any services of an advisory  nature or otherwise,
or  participate  in the  ownership,  management,  operation  or  control  of, or
otherwise be connected in any manner  with,  any business  competitive  with the
business of VIMRx without VIMRx's prior written consent.

         8. (a) You further  hereby  covenant and agree that you will not at any
time during,  or (a) for a period of three (3) years  following the  termination
of, your employment with VIMRx,  reveal,  divulge or make known to any person or
entity any  secrets or  confidential  information  (whether  oral,  written,  or
electronically  encoded)  whatsoever,  of or concerning VIMRx or its business or
anything connected  therewith,  all of which is and shall remain the property of
VIMRx and shall be returned by you to VIMRx  (including all copies)  immediately
upon any termination of your employment (or earlier,  if requested by VIMRx), or
(b) for a period of three (3) years following the termination of your employment
with VIMRx,  directly or indirectly entice away from VIMRx's employment,  retain
or otherwise engage, any employee of VIMRx.

             (b) For purposes hereof, confidential information shall not include
any information which: (i) is or becomes generally available to the public other
than as a result of a wrongful disclosure by you or your  representatives;  (ii)
was known by you on a  non-confidential  basis prior to its disclosure to you by
VIMRx or its representatives; (iii) becomes available to you from a source other
than VIMRx or its  representatives,  provided that such source is not bound by a
confidentiality  agreement with VIMRx or its representatives and otherwise has a
right  to  disclose  the  same;  or  (iv) is  required  to be  disclosed  by any
governmental or judicial authority,  provided,  in such case, that you shall use
your best efforts to notify VIMRx  immediately  of any such  requirement so that
VIMRx shall have an opportunity to contest it.

         9. In the event of any breach or threatened breach by you of any one or
more of the  provisions  of  Paragraphs  7 (relating  to  non-competition)  or 8
(relating to non-disclosure  and  non-enticement of employees) above, VIMRx will
be entitled,  in addition to any remedy hereunder or under any applicable law or
in equity, to an injunction restraining the breach of such provisions hereof.

         10. You agree that VIMRx may, in its discretion, apply for and take out
in its name and at its own  expense,  and solely for its  benefit,  key man life
insurance  on you in any  amount  deemed  advisable  by  VIMRx  to  protect  its
interests, and you agree that you shall have no right, title or interest therein
and further agree to submit to any medical or other  examination  and to execute
and deliver any application or other instruments in writing reasonably necessary
to effectuate such insurance.

         11. You  represent  and warrant that you are not under any  obligation,
restriction or limitation,  contractual or otherwise, to any other individual or
entity  which  would  prohibit  or impede you from  performing  your  duties and
responsibilities  hereunder, and that you are free to enter into and perform the
terms and provisions of this Agreement.

         12. Notwithstanding  anything herein to the contrary, the provisions of
Paragraphs  7, 8, 9 and 11 hereof  shall  expressly  survive the  expiration  or
termination  of this  Agreement  regardless  of the reason for, or cause of, any
such termination.

         13. All notices,  requests,  demands, and other communications provided
for by this  Agreement  shall  be in  writing  and  shall be  either  personally
delivered  (including by couriers  such as FedEx) or sent by pre-paid  certified
mail,  return  receipt  requested,  addressed to the address stated below of the
party to which  notice is given,  or to such  changed  address as such party may
have fixed by notice given in accordance with the terms hereof:
                           TO VIMRx:

                                    VIMRx Pharmaceuticals Inc.
                                    c/o Donald G. Drapkin, Chairman
                                    MacAndrews & Forbes Holdings, Inc.
                                    35 East 62nd Street
                                    New York, New York  10021

                           WITH A COPY TO:

                                    Lowell S. Lifschultz
                                    Epstein Becker & Green, P.C.
                                    250 Park Avenue
                                    New York, New York  10177-0077

                           TO RICHARD L. DUNNING:

                                    Richard L. Dunning
                                    909 Cecil Road
                                    Westover Hills
                                    Wilmington, Delaware  19807


Any notice,  sent as provided  above,  shall be deemed given upon receipt at the
address provided for above (or, in the event delivery is refused, the first date
on which delivery was tendered).

         14. This  Agreement  contains the entire  agreement  and  understanding
between the parties relating to the subject matter hereof and supersedes any and
all prior  understandings,  agreements  and  representations,  written  or oral,
expressed or implied, with respect thereto.

         15.  This  Agreement  may  not  be  amended,  modified,  altered  or
terminated (other than pursuant to its terms) except by an instrument in writing
signed by the parties.

         16. This  Agreement  shall be binding upon the parties hereto and their
heirs, distributees, successors and assigns.

         17. In case any one or more of the provisions of this  Agreement  shall
be invalid, illegal or unenforceable in any respect, the validity,  legality and
enforceability of the remaining provisions contained herein shall not in any way
be affected thereby.

         18. This  Agreement  shall be governed  by,  construed  and enforced in
accordance  with the laws of the State of  Connecticut  applicable  to contracts
made and to be performed entirely therein (without giving effect to the conflict
of law rules thereof).

         Kindly indicate your agreement with the foregoing by countersigning the
enclosed  duplicate  copy of this letter  agreement  and  returning  it to me on
behalf of VIMRx.

         On behalf of VIMRx,  we look forward to a long and  mutually  rewarding
relationship.

                                              Sincerely,

                                              VIMRx PHARMACEUTICALS INC.


                                              By:  /s/ Donald G. Drapkin
                                                       Donald G. Drapkin
                                                       Chairman

ACCEPTED AND AGREED TO THIS

30th DAY OF October, 1996:


 /s/ Richard L. Dunning
         Richard L. Dunning









                           VIMRx Pharmaceuticals Inc.
                              2751 Centerville Road
                           Suite 210, Little Falls II
                           Wilmington, Delaware 19808




                                 August 26, 1996




Mr. David A. Jackson
49 Guyencourt Road
Wilmington, DE  19807-1415

Dear David:

                  This  letter  agreement  will serve to set forth the terms and
conditions of your employment by VIMRx Pharmaceuticals Inc. ("VIMRx").

                  You are being  employed  as the  Executive  Vice  President  -
Research  and  Development  and  Chief  Scientific  Officer  of  VIMRx.  In such
capacity,  you will have  general  charge  of and  administration  over  VIMRx's
research and development  activities and programs and primary responsibility for
technology assessment and the making of scientific and technology determinations
with respect to the  corporation's  business plans.  You will report directly to
the President and Chief Executive Officer. If requested, you agree to serve, for
no  additional  compensation,  in like  capacities  for any  VIMRx  subsidiaries
throughout the term of your employment.

                  The term of your  employment  will  commence as of the date of
this letter  agreement and shall continue until  terminated under the provisions
of  Paragraph 6 below.  You will be a  full-time  employee of VIMRx and agree to
devote your business and professional  time and energy and skills to the affairs
of VIMRx and its  subsidiaries  and to serve VIMRx faithfully and to the best of
your ability.

                  As  compensation  for  the  services  to be  rendered  by  you
hereunder,  VIMRx will pay you (i) a signing  bonus of  $40,000  payable on your
execution  and delivery of this letter  agreement  and (ii) a base salary of not
less than $175,000 per annum, payable in installments in accordance with VIMRx's
regular payroll  practices.  You will also be entitled to a  discretionary  cash
bonus  determined  as of the end of each  calendar  year  during the term hereof
(based on performance  criteria to be agreed upon between VIMRx and you and such
additional  discretionary  factors as the President and Chief Executive  Officer
and the Board of Directors of VIMRx (the  "Board") may apply from time to time).
The minimum target bonus amount each year, assuming satisfactory  performance by
you, will be one-third ( ) of your base compensation. The bonus determined as of
December 31, 1996 will be  calculated  as if you had been  employed by VIMRx for
the entire 1996 calendar year at the base annual compensation referenced above.

                  As  additional  compensation,  VIMRx shall  award you,  (i) an
Incentive Stock Option (the  "Incentive  Option") to purchase a number of shares
of VIMRx Common  Stock  ("Shares")  equal to 400,000  divided by the fair market
value of one  Share on the date of  grant  of the  Incentive  Option  and (ii) a
Non-Incentive Stock Option (the "Non-Incentive Option" and collectively with the
Incentive Option, the "Options") to purchase a number of Shares equal to 500,000
minus the number of Shares issuable  pursuant to the Incentive  Option,  in each
case pursuant to VIMRx's  Amended and Restated 1990 Incentive and  Non-Incentive
Stock Option Plan, as amended (the "1990 Plan").  The purchase  price for Shares
under each Option  shall be the fair market  value of VIMRx  Common Stock on the
date of grant of the Options. Shares subject to the Incentive Option will become
exercisable  in  accordance  with the  terms of the 1990  Plan.  Subject  to the
further  exercise  terms set forth below,  Shares  subject to the  Non-Incentive
Option will become  exercisable as follows:  one year from the date of grant, up
to 20% of the total Shares  subject to such  Option;  two years from the date of
grant, up to 40%; three years from the date of grant, up to 60%; four years from
the date of  grant,  up to 80%;  and at the end of five  years  from the date of
grant and until termination of the Non-Incentive  Option, up to 100%. Subject to
the provisions of the 1990 Plan, the Non-Incentive Option shall expire ten years
from the date of grant.  Additional  provisions  relating  to the Options are as
follows:

                  In the event your  employment  is  terminated by VIMRx (except
for Cause (as defined in Paragraph 6(d)), but including constructive termination
pursuant to Paragraph 6(f) of this letter  agreement and  termination on account
of Permanent  Disability  (as defined in Paragraph  6(e))) on or before one year
from the date of this letter  agreement  (the  "First  Anniversary  Date"),  the
Non-Incentive  Option will  immediately  become  exercisable  to purchase 20% of
total number of Shares subject to  Non-Incentive  Option and may be exercised at
any time during the  three-month  period  following the  effective  date of such
termination,  and the  exercisability  of the  remaining  Shares  subject to the
Non-Incentive  Option will lapse.  In the event you are so terminated  after the
First  Anniversary  Date,  the  Non-Incentive  Option  will  immediately  become
exercisable  with  respect  to all  Shares  subject  to the  Option  and  may be
exercised at any time during the three-month period following the effective date
of such  termination  but in no event  subsequent  to ten years from the date of
grant.

                  In the event you die on or before the First  Anniversary Date,
the Non-Incentive  Option will immediately become exercisable to purchase 20% of
the  total  number  of  Shares  subject  to the  Non-Incentive  Option,  and the
exercisability of the remaining Shares subject to the Non-Incentive  Option will
lapse. In the event you die after the First  Anniversary Date, the Non-Incentive
Option will become exercisable with respect to all Shares subject to the Option.
In either event, the  Non-Incentive  Option may be exercised with respect to the
applicable  number  of  Shares  by  your  heirs,  personal   representatives  or
distributees  within  twelve  months  of the date of your  death but in no event
subsequent to ten years from the date of grant.

                  All Shares  subject to the Options will be  registered on Form
S-8 as soon as practicable after the Board approves such registration.

                  In the event a sale of substantially  all the assets of VIMRx,
to a Person (as  hereinafter  defined)  other than an Affiliate (as  hereinafter
defined) of VIMRx, is  consummated,  or any Person or group of Persons acting in
concert,  directly or  indirectly,  by purchase,  merger or otherwise,  acquires
beneficial  ownership of stock representing more than fifty percent (50%) of the
voting power of the  then-outstanding  stock of VIMRx (or any successor of VIMRx
by merger or  consolidation),  or a single  transaction,  or a series of related
transactions,  is consummated pursuant to which the beneficial ownership of more
than fifty percent (50%) of the voting stock of VIMRx changes, the Non-Incentive
Option will immediately become exercisable with respect to all Shares subject to
the Option. For purposes of this subparagraph 3(b)(iv):  "Person" shall mean any
individual, company, limited liability company, partnership,  association, trust
or other  entity;  "Affiliate"  of a Person  shall mean any Person  controlling,
controlled  by or under  common  control  with  such  Person;  and  open  market
transactions by  unaffiliated  Persons not acting in concert shall not be deemed
"related transactions."

                  You  will be  eligible  to  participate  in  VIMRx's  medical,
dental,  life and long-term  disability  insurance  and other benefit  programs,
including any 401(k) or other retirement or welfare plans,  from time to time in
effect for VIMRx's senior executives, your participation in any such plans to be
in  accordance  with  their  respective   terms  and  conditions.   In  lieu  of
participation  in VIMRx's  medical and dental  plans (if any),  you may elect to
receive a $500 (after tax) monthly allowance therefor.

                  Your  performance  will be reviewed  annually by the President
and  Chief  Executive  Officer  and  the  Board  (or  its  compensation  or like
committee), in connection with which they will consider an increase in your base
compensation, it being understood that any such increase will be discretionary.

                  You will be entitled to take up to an  aggregate of four weeks
vacation each calendar year as business  conditions  permit, it being understood
that no more than one week of unused vacation per year of service with VIMRx may
be carried over to the  succeeding  year.  VIMRx will not be required to provide
any additional compensation to you for vacation time not utilized by you.

                  VIMRx will  reimburse you for all  reasonable  and  documented
business  expenses  incurred  by you on behalf of VIMRx  during the term of your
employment  hereunder  consistent with VIMRx's expense  reporting policy (as the
same may be modified from time to time).  Notwithstanding anything herein to the
contrary, the provisions of this Paragraph 5 shall survive the effective date of
termination of this Agreement for a period of six months.

                  Your  employment  hereunder  may be  terminated at any time by
VIMRx for Cause or,  upon at least 60 days'  prior  written  notice by you or by
VIMRx, without Cause.

                  In the event your  employment  is  terminated by VIMRx without
Cause  (including  a  constructive   termination  under  Paragraph  6(f)),  this
Agreement  shall  terminate  immediately on the effective date of termination of
your employment;  provided,  however, that: you will be paid twelve months' base
salary as severance in monthly  installments  (in arrears)  beginning  the first
full month  following the cessation of your  employment with VIMRx (during which
time you will be entitled to continue to participate in VIMRx's benefit plans to
the extent  permitted  by such  plans);  and you will be entitled to receive any
accrued  but unpaid  salary  earned by you through  the  effective  date of such
termination.

                  No severance shall be paid or payable to you in the event your
employment  is  terminated  for  Cause,  or you  voluntarily  resign  from  your
employment  with VIMRx  (excluding a constructive  termination  under  Paragraph
6(f)),  in which  event this  Agreement  shall  terminate  immediately  upon the
effective date of  termination of your  employment or upon the effective date of
your resignation,  respectively; provided, however, that VIMRx shall nonetheless
be obligated to pay you any accrued but unpaid  salary earned by you through the
date of such termination.

                  For purposes of this Agreement,  termination for "Cause" shall
mean  termination  due to any  one or  more  of the  following:  (i) if you  are
indicted for committing a felony or a decision or  determination  is rendered by
any court or  governmental  authority  that you have committed any act involving
fraud, willful misconduct,  dishonesty, breach of trust or moral turpitude; (ii)
if you  willfully  breach  your duty of loyalty to, or commit an act of fraud or
dishonesty  upon,  VIMRx;  (iii) if you demonstrate  gross negligence or willful
misconduct in connection with your employment;  (iv) if, in the reasonable, good
faith opinion of a majority of VIMRx's whole Board (excluding  yourself,  if you
shall then be a director of VIMRx), you engage in personal  misconduct of such a
material  nature  as to  render  your  presence  as a senior  executive  officer
detrimental to VIMRx or its reputation and you fail to cure the same within five
days after written  notice  thereof from VIMRx;  or (v) if you commit a material
breach of or default under any of the terms or conditions of this  Agreement and
you fail to cure such  breach or default  within ten days after  written  notice
thereof from VIMRx.

                  Your employment  hereunder shall  terminate  immediately  upon
your death or Permanent  Disability.  In either such event, this Agreement shall
terminate immediately upon the cessation of your employment;  provided, however,
you (or your  legal  representative,  as the case  may be) will be  entitled  to
receive  any accrued  but unpaid  salary  earned by you through the date of such
termination,  plus severance in monthly installments (in arrears), beginning the
first full month following the date of such  termination in an aggregate  amount
equal to the positive  difference if any,  between (x) the base salary you would
have  received  hereunder  for the  twelve  months  immediately  following  such
termination date had your employment continued for such twelve month period, and
(y) the total  monies paid or payable to you with  respect to such twelve  month
period under the long-term disability insurance policy or policies maintained by
VIMRx  for your  benefit,  if any.  For  purposes  of this  Agreement,  the term
"Permanent  Disability"  shall  have the  meaning  set  forth  in the  long-term
disability insurance policy or policies then maintained by VIMRx for the benefit
of its employees,  or if no such policy shall then be in effect, or if more than
one such policy shall then be in effect and the term Permanent  Disability shall
be assigned  different  definitions  in such  policies,  then the term Permanent
Disability  shall be defined for purposes  hereof to mean any physical or mental
disability or incapacity  which  renders you incapable of fully  performing  the
services  required of you in accordance  with your  obligations  hereunder for a
period aggregating 120 days during any twelve-month period.

                  Upon the occurrence of any of the following events,  you shall
have the right to  terminate  your  employment  with  VIMRx on at least 60 days'
notice.  In the event  such  notice is given by you within 30 days of any one or
more of such events,  such  termination of employment  shall be deemed,  for all
purposes of this Agreement, as a termination of your employment by VIMRx without
Cause:

                  a material  breach of or default under this Agreement by VIMRx
which is not cured by VIMRx  within ten (10) days  after its  receipt of written
notice thereof from you;

                  a material reduction in your duties or a material interference
with the  exercise of your  authority  (not  arising from any physical or mental
disability you may sustain) which would be  inconsistent  with your position and
authority as  referenced  in Paragraph 1 hereof and the same shall not have been
alleviated by the President and Chief Executive  Officer or the Board within ten
(10) days after its receipt of written notice thereof from you; or

                  a  relocation  of VIMRx's  principal  executive  offices  from
Wilmington,  Delaware to a location  whose distance is at least fifty (50) miles
(by road) farther from your current  residence in Wilmington,  Delaware than the
distance  between VIMRx's current offices in Wilmington,  Delaware area and such
residence  address,  provided  that you shall not have  approved the decision to
effect such subsequent relocation.

                  Notwithstanding  anything in Paragraphs  6(b) or 6(c) above to
the contrary:

                  you shall not have any  obligation  to VIMRx to  mitigate  any
termination of your  employment  whereby you would be required by VIMRx promptly
to seek, procure or commence substitute employment; and

                  in the event you do seek,  procure or commence such substitute
employment,  none of the income derived or to be derived by you therefrom  shall
be setoff by VIMRx against the balance of any severance payments,  if any, owing
to you by VIMRx under this Agreement.

                  You hereby agree that you shall not,  directly or  indirectly,
during  the term of your  employment  hereunder,  own,  manage,  operate,  join,
control or become  employed by, or render any services of an advisory  nature or
otherwise,  or  participate  in  the  ownership  (other  than  shares  held  for
investment in publicly traded companies),  management,  operation or control of,
or otherwise be connected in any manner with,  any business that sells  products
or services  that are  competitive  in a material  respect  with the products or
services sold by VIMRx,  without VIMRx's prior written consent.  The restriction
on  competitive  activities  set forth in the prior  sentence  shall continue to
apply for a period of one year  following the effective  date of  termination of
your employment hereunder in the event you voluntarily terminate your employment
(excluding a constructive  termination  under  Paragraph 6(f)) prior to the date
that is two years from the date of this letter  agreement or your  employment is
terminated  by VIMRx for  Cause.  In the event the  restriction  on  competition
remains in effect for the 12-month period following your termination pursuant to
the prior  sentence,  you  further  agree that  during  such period you will not
directly or indirectly entice away from VIMRx's employment,  retain or otherwise
engage, any employee of VIMRx.

                  You further hereby covenant and agree that you will not at any
time during,  or for a period of three (3) years  following the  termination of,
your  employment  with  VIMRx,  reveal,  divulge  or make known to any person or
entity any  secrets or  confidential  information  (whether  oral,  written,  or
electronically  encoded)  whatsoever,  of or concerning VIMRx or its business or
anything connected  therewith,  all of which is and shall remain the property of
VIMRx and shall be returned by you to VIMRx  (including all copies)  immediately
upon any termination of your employment (or earlier, if requested by VIMRx). For
purposes  hereof,  confidential  information  shall not include any  information
which:  (i) is or becomes  generally  available  to the  public  other than as a
result of a wrongful disclosure by you or your  representatives;  (ii) was known
by you on a  non-confidential  basis prior to its  disclosure to you by VIMRx or
its  representatives;  (iii)  becomes  available to you from a source other than
VIMRx or its  representatives,  provided  that  such  source  is not  bound by a
confidentiality agreement with VIMRx, or its representatives and otherwise has a
right  to  disclose  the  same;  or  (iv) is  required  to be  disclosed  by any
governmental or judicial authority,  provided,  in such case, that you shall use
your best efforts to notify VIMRx  immediately  of any such  requirement so that
VIMRx shall have an opportunity to contest it.

                  In the event of any breach or threatened  breach by you of any
one or more of the  provisions of Paragraph 7 (relating to  non-competition  and
non-enticement of employees) or Paragraph 8 (relating to non-disclosure),  VIMRx
will be entitled,  in addition to any remedy  otherwise  available at law, to an
injunction restraining the breach of such provision hereof.

                  You agree  that VIMRx may,  in its  discretion,  apply for and
take out in its name and at its own expense, and solely for its benefit, key man
life  insurance  on you in any amount  deemed  advisable by VIMRx to protect its
interests, and you agree that you shall have no right, title or interest therein
and further agree to submit to any medical or other  examination  and to execute
and deliver any application or other instruments in writing reasonably necessary
to effectuate such insurance.

                  You   represent  and  warrant  that  you  are  not  under  any
obligation,  restriction or limitation,  contractual or otherwise,  to any other
individual  or entity which would  prohibit or impede you from  performing  your
duties and responsibilities  hereunder,  and that you are free to enter into and
perform the terms and provisions of this Agreement.

                  Notwithstanding   anything   herein  to  the   contrary,   the
provisions of  Paragraphs 5, 7, 8, 9 and 11 hereof shall survive the  expiration
or termination of this Agreement.

                  All  notices,   requests,  demands  and  other  communications
provided  for by  this  Agreement  shall  be in  writing  and  shall  be  either
personally  delivered  (including by couriers such as FedEx) or sent by pre-paid
certified mail, return receipt requested,  addressed to the address stated below
of the party to which notice is given,  or to such changed address as such party
may have fixed by notice given in accordance with the terms hereof:

                  TO VIMRx:

                           VIMRx Pharmaceuticals Inc.
                           2751 Centerville Road
                           Suite 210, Little Falls II
                           Wilmington, Delaware  19808
                           Attn: Richard L. Dunning
                                   President & CEO
                           With A Copy To:

                           Lowell S. Lifschultz
                           Epstein Becker & Green, P.C.
                           250 Park Avenue
                           New York, New York  10177-0077

                  TO DAVID A. JACKSON:

                           Mr. David A. Jackson
                           49 Guyencourt Road
                           Wilmington, DE  19807-1415

Any notice,  sent as provided  above,  shall be deemed given upon receipt at the
address provided for above (or, in the event delivery is refused, the first date
on which delivery was tendered).

                  This Agreement contains the entire agreement and understanding
between the parties relating to the subject matter hereof and supersedes any and
all prior  understandings,  agreements  and  representations,  written  or oral,
expressed or implied, with respect thereto.

                  This  Agreement  may  not be  amended,  modified,  altered  or
terminated (other than pursuant to its terms) except by an instrument in writing
signed by the parties.

                  This  Agreement  shall be binding upon the parties  hereto and
their heirs, distributees, successors and assigns.

                  In case any one or more of the  provisions  of this  Agreement
shall be  invalid,  illegal  or  unenforceable  in any  respect,  the  validity,
legality and enforceability of the remaining  provisions  contained herein shall
not in any way be affected thereby.

                  This Agreement shall be governed by, construed and enforced in
accordance  with the laws of the State of Delaware  applicable to contracts made
and to be performed  entirely  therein (without giving effect to the conflict of
law rules thereof).

                  Kindly   indicate  your   agreement   with  the  foregoing  by
countersigning  the  enclosed  duplicate  copy  of  this  letter  agreement  and
returning it to me on behalf of VIMRx.

                  On behalf of VIMRx,  we look  forward  to a long and  mutually
rewarding relationship.

                                              Sincerely,

                                              VIMRx PHARMACEUTICALS INC.


                                              By: _______________________
                                                  Richard L. Dunning
                                                  President & CEO


ACCEPTED AND AGREED TO THIS

26th day of August,  1996



- - --------------------------------
David A. Jackson













                                   Exhibit 21
                                   ----------



          Subsidiaries of VIMRx Pharmaceuticals Inc. (the "Registrant")


                                                  State or Jurisdiction of
                                                  Incorporation or Organization
           Name(1)
Innovir Laboratories, Inc.(2)                     Delaware
   VIMRx Holdings, Ltd.(3)                        Delaware
     VPI (UK) Ltd.(4)                             United Kingdom
     VPI Gesselschaft fur die Entwicklung und     Federal Republic of Germany
     Synthese von Oligomeren GmbH(4)
     Ribonetics GmbH Gesselschaft fur molekulare  Federal Republic of Germany
     Therapie(4)
VIMRx Genomics, Ltd.(5)                           Delaware
Cambes, Ltd.(6)                                   Delaware



- - -----------------------------

         (1)      Each listed subsidiary does business under the name indicated.
         (2)      Approximately 68%-owned by the Registrant.
         (3)      100%-owned by Innovir Laboratories, Inc.
         (4)      100%-owned by VIMRx Holdings, Ltd.
         (5)      90%-owned by the Registrant.
         (6)            Controlled  by the  Registrant  through the ownership of
                        all  outstanding  shares of voting  preferred  stock and
                        one-third of the outstanding shares of common stock.


<PAGE>


                                                                 Exhibit 23
                                                                 ----------

                         Consent of Independent Auditors


VIMRx Pharmaceuticals Inc.
Wilmington, Delaware


     We consent to the incorporation by reference in the Registration Statements
on Form S-8 (File Nos.  333-03106  and  333-15693) of our report dated March 14,
1997 on the consolidated  financial statements of VIMRx Pharmaceuticals Inc. and
subsidiaries  (the  "Company") as at December 31, 1996 and December 31, 1995 and
for each of the years in the  three-year  period  then ended and the amounts for
such years included in the period December 30, 1986  (inception) to December 31,
1996, included in the Company's 1996 Annual Report on Form 10-K.


 

/s/ Richard A. Eisner & Company. LLP


New York, New York
March 14, 1997




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