ALZA TTS RESEARCH PARTNERS LTD
10-K, 1997-03-31
PHARMACEUTICAL PREPARATIONS
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<PAGE>

                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION

                            WASHINGTON, D.C. 20549
                            ______________________

                                 FORM 10-K


(Mark One)

    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 Number 0-11839

                         ALZA TTS Research Partners, Ltd.
      ---------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

               California                           94-2863497
       -----------------------------            ------------------
       (State or other jurisdiction             (I.R.S. Employer
     of incorporation or organization)          Identification No.)

       950 Page Mill Road, P.O. Box 10950, Palo Alto, CA      94303-0802
       -----------------------------------------------------------------
             (Address of principal executive offices)         (Zip Code)

     Registrant's telephone number, including area code:    (415) 494-5300

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

                                    None

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

                   Class A Limited Partnership Interests

    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 requirements for the past 90 days:  Yes   X    No 
                                             -----     -----
<PAGE>

                        ALZA TTS RESEARCH PARTNERS, LTD. 
                   FORM 10-K ANNUAL REPORT FOR THE FISCAL YEAR 
                            ENDED DECEMBER 31, 1996


                                 TABLE OF CONTENTS

     Description                                                  Page
     -----------                                                  ----

Item 1. Description of Business ................................     1

Item 2. Properties .............................................     9

Item 3. Legal Proceedings ......................................     9

Item 4. Submission of Matters to a Vote of Security Holders ....     9

Item 5. Market for the Registrant's Common Equity and Related 
          Stockholder Matters ..................................    10

Item 6. Selected Financial Data ................................    10

Item 7. Management's Discussion and Analysis of Financial 
          Condition and Results of Operations ..................    11

Item 8. Financial Statements and Supplementary Data ............    15

Item 9. Changes in and Disagreements with Accountants on 
          Accounting and Financial Disclosure ..................    15

Item 10. Directors and Executive Officers of the Registrant ....    16

Item 11. Executive Compensation ................................    17

Item 12. Security Ownership of Certain Beneficial Owners 
           and Management ......................................    17

Item 13. Certain Relationships and Related Transactions ........    18

Item 14. Exhibits, Financial Statements, Financial Statement 
           Schedules and Reports on Form 8-K ...................    19

<PAGE>
                            PART I 

Item 1.  DESCRIPTION OF BUSINESS

     ALZA TTS Research Partners, Ltd. (the "Partnership") is a California 
limited partnership formed on December 30, 1982.  ALZA Development 
Corporation, the general partner of the Partnership (the "General Partner"), 
is a wholly-owned subsidiary of ALZA Corporation ("ALZA"). The business of 
the Partnership is the development and licensing of products ("TTS 
Partnership Products") combining certain generic drug compounds in specified 
areas of therapy with ALZA's proprietary transdermal therapeutic system 
("TTS") technology.  In order to undertake its development activities, the 
Partnership obtained from ALZA a nonexclusive, worldwide, royalty-free 
license to use ALZA's TTS technology solely for the development, manufacture 
and sale of TTS Partnership Products. 

   The Partnership completed the public sale of 3,200 units of Class A 
limited partnership interests and the private sale of one Class B limited 
partnership interest on April 22, 1983.  The gross proceeds from these sales, 
including a one percent capital contribution of the General Partner, were 
$16,919,192. 

PRODUCTS AND TECHNOLOGIES

   The Partnership entered into a research and development agreement (the 
"Development Contract") with ALZA for the development of TTS Partnership 
Products in December 1982.  As of December 31, 1987, substantially all of the 
net proceeds from the sale of Partnership interests had been applied towards 
work done under the Development Contract.  As a result, the Partnership has 
made no payments under the Development Contract since that time. 

   A substantial portion of the Partnership's total funds was allocated to 
two major product development programs, TTS-fentanyl and TTS-testosterone.  
TTS-fentanyl is a 72-hour transdermal therapeutic system which delivers the 
narcotic analgesic fentanyl.  In August 1990,


                                     -1-
<PAGE>

TTS-fentanyl (which is being marketed under the trade name 
Duragesic-Registered Trademark-  (fentanyl transdermal system) CII) (see 
"Distribution Arrangements" below) was cleared for marketing by the United 
States Food and Drug Administration ("FDA") for management of severe chronic 
pain when opioid analgesia is indicated, such as in the management of cancer 
pain.  Duragesic-Registered Trademark- has been cleared for marketing in more 
than 30 additional countries, including several in each of Europe, South 
America and Asia (excluding Japan).  Duragesic-Registered Trademark- is 
marketed by Janssen Pharmaceutica, Inc. (together with its affiliates, 
"Janssen"), a subsidiary of Johnson and Johnson, and is co-promoted by ALZA 
in the United States.

   TTS-testosterone is a controlled release dosage form of the major male 
hormone testosterone designed to re-establish in hypogonadal males the plasma 
concentrations of testosterone observed in healthy young men.  
TTS-testosterone was cleared for marketing in the United States in October 
1993.  In April 1994, ALZA, through its sales and marketing division, ALZA 
Pharmaceuticals, began marketing the product in the United States under the 
trade name Testoderm-Registered Trademark- (testosterone transdermal system) 
CIII.  Testoderm-Registered Trademark- has also been cleared for marketing in 
China, Singapore and in more than ten European countries. 

   ALZA Pharmaceuticals will market this product outside the United States 
through distributors. Commercialization agreements for Testoderm-Registered 
Trademark- were signed with Scitech Genetics Limited and with Pharmagenesis, 
Inc. in 1995 covering various Asian countries (excluding Japan). Subsequent 
to year end, Scitech Genetics launched Testoderm-Registered Trademark- in 
Singapore.  During the fourth quarter of 1996, ALZA signed an agreement with 
Ferring NV pursuant to which Ferring has the rights to market 
Testoderm-Registered Trademark- in 12 countries in Europe. 

   TTS Partnership Products other than the Duragesic-Registered Trademark- 
and Testoderm-Registered Trademark- products were at very early stages of 
development when the Partnership's available funds were exhausted in


                                     -2-
<PAGE>

1987; substantial expenditures would be required if the development of these 
products were to be completed and the products commercialized.  For these 
products at early stages of development, no arrangements have been made with 
development partners, and further activities are not contemplated at this 
time.

CONTINUATION OPTION

   The Partnership granted ALZA an option (the "Continuation Option") to 
continue the development of any TTS Partnership Product which the Partnership 
determined for any reason (including lack of funds) not to complete.  ALZA 
exercised the Continuation Option for all TTS Partnership Products in 1987.  
As a result, ALZA may fund (or obtain funding for) the development of any TTS 
Partnership Product through the earlier of (i) approval either by the FDA or 
regulatory authorities in certain foreign countries or (ii) ALZA's exercise 
of the "License Option" described below.  The Duragesic-Registered Trademark- 
and Testoderm-Registered Trademark- products were completed by ALZA, without 
the use of the Partnership's funds, under the Continuation Option.

LICENSE OPTION 

   The Partnership granted ALZA an option (the "License Option") to acquire a 
license for any or all of the TTS Partnership Products, on a 
product-by-product basis.  When the License Option is exercised for a TTS 
Partnership Product, ALZA acquires a worldwide license, including the right 
to sublicense, make, use and sell such product.  The license is exclusive for 
a period of thirteen years after the actual reduction to practice of the 
product and nonexclusive thereafter. Under each license, ALZA would make 
payments to the Partnership based on ALZA's and its affiliates' and 
sublicensees' sales of the licensed product.  If the License Option is not 
exercised with respect to any TTS Partnership Product, the rights to such 
product will 


                                     -3-
<PAGE>

remain with the Partnership, and the Partnership will need to find other 
licensees or seek other methods of obtaining a commercial return on the 
product.  

   In 1990, ALZA exercised its License Option for the Duragesic-Registered 
Trademark- and Testoderm-Registered Trademark- products. Under the terms of 
the agreements between ALZA and the Partnership, the payments to the 
Partnership under the license for each TTS Partnership Product will be 
reduced (subject to certain limitations) in proportion to the development 
costs of the product not funded by the Partnership.  In accordance with the 
agreements, the Partnership receives 4% of net sales of the 
Duragesic-Registered Trademark- and Testoderm-Registered Trademark- products.

   As described above, ALZA's licenses for Testoderm-Registered Trademark- 
and Duragesic-Registered Trademark- will remain exclusive until thirteen 
years after the actual reduction to practice of the product.  For 
Testoderm-Registered Trademark-, the period of ALZA's exclusivity ends 
July 26, 1998.  For Duragesic-Registered Trademark-, the period of 
exclusivity ends December 4, 1998.  If ALZA's license for a product becomes 
nonexclusive, the General Partner will need to determine whether to appoint 
others to market and sell the product. Under ALZA's agreement with Janssen 
covering the Duragesic-Registered Trademark- product, if the product were to 
be introduced by a third party after ALZA's loss of exclusivity from the 
Partnership, ALZA's royalty rate due from Janssen with respect to 
Duragesic-Registered Trademark- would drop significantly.  The Partnership's 
right to receive 4% of net sales from ALZA would not change.  ALZA 
Development Corporation, a wholly-owned subsidiary of ALZA, might have a 
conflict of interest in connection with any Partnership decision as to 
whether the product should be licensed to a third party in addition to ALZA.

PURCHASE OPTION

   The General Partner has an option (the "Purchase Option"), exercisable at 
any time, to purchase all (but not less than all) of the Limited Partners' 
interests in the Partnership.  The


                                     -4-
<PAGE>

exercise price is $120 million, less "Excess Cash" distributed to the Limited 
Partners.  The exercise price may be paid in cash, ALZA common stock, or a 
combination, at the General Partner's option.  The General Partner is under 
no obligation to exercise the Purchase Option, and the General Partner will 
exercise the Purchase Option only if ALZA deems such exercise to be in its 
best interest.  The General Partner has not made a determination as to 
whether to exercise the Purchase Option.

DISTRIBUTION ARRANGEMENTS

   ALZA and the Partnership entered into an agreement with Janssen pursuant 
to which Janssen has rights to market the Duragesic-Registered Trademark- 
product in the United States and most international markets. ALZA has the 
right to co-promote the product with Janssen in the United States, and 
commenced co-promotion activities during the second quarter of 1994.  Janssen 
launched Duragesic-Registered Trademark- in the United States during the 
second quarter of 1991, and in Canada during the second quarter of 1992. 
Janssen has also launched the product in more than 20 other countries, 
including several in each of Europe, South America and Asia (excluding Japan).

   ALZA has entered into a commercialization agreement with Scitech Genetics 
Limited to distribute the Testoderm-Registered Trademark- product in 
Bangladesh, Brunei, Burma, India, Indonesia, Malaysia, Pakistan, Philippines, 
Singapore, South Korea, Sri Lanka, Thailand and Vietnam and with 
Pharmagenesis, Inc. to distribute in China, Hong Kong, Macau and Taiwan.  
Scitech Genetics launched Testoderm-Registered Trademark- in Singapore in 
January 1997.  ALZA also entered into an agreement with Ferring NV pursuant 
to which Ferring has the rights to distribute the Testoderm-Registered 
Trademark- product in Austria, Belgium, Denmark, Finland, Germany, Ireland, 
Luxembourg, the Netherlands, Norway, Sweden, Switzerland and the United 
Kingdom. 

                                     -5-
<PAGE>

PATENTS

   Patent protection generally has been important in the pharmaceutical 
industry, and patent applications with respect to the TTS Partnership 
Products have been filed.  The Partnership's success may in large part depend 
upon (i) the strength of the existing ALZA patents covering the technology 
used in the development of the TTS Partnership Products and (ii) the ability 
to obtain strong patent protection for the TTS Partnership Products.  ALZA 
has obtained patents and has pending patent applications covering various 
aspects of its technology licensed to the Partnership and for the 
Duragesic-Registered Trademark- and Testoderm-Registered Trademark- products. 
It is impossible to anticipate the breadth or degree of protection that such 
patents (either current ALZA patents or future patents, if they are granted) 
will provide to the TTS Partnership Products or the underlying technology. 
Some of ALZA's earlier patents covering its TTS technology have begun to 
expire; however, both of the Duragesic-Registered Trademark- and 
Testoderm-Registered Trademark- products are covered by their own 
product-specific patents.

   In January 1994, a suit was filed against ALZA by Cygnus Therapeutic 
Systems ("Cygnus") in the United States District Court for the Northern 
District of California, seeking a declaration of unenforceability and 
invalidity of an ALZA patent relating to transdermal administration of 
fentanyl and alleging violation of antitrust laws.  In April 1995, the 
District Court granted ALZA's motion to dismiss the lawsuit.  Cygnus appealed 
that ruling.  In August 1996, the Court of Appeals of the Federal Circuit 
upheld the District Court's dismissal of Cygnus' claims against ALZA.  Cygnus 
has no further right of appeal. 

GOVERNMENT REGULATION

   TTS Partnership Products, similar to other pharmaceutical products, 
require FDA marketing clearance before they can be sold in the United States 
or, except on a very limited basis, exported to other countries.  The 
clearance of regulatory agencies is also required in


                                     -6-
<PAGE>

foreign countries before TTS Partnership Products can be marketed in those 
countries.  It is impossible to anticipate the amount of time that will be 
required to obtain regulatory clearance to market any product in any foreign 
country or whether such clearance will be granted.

   The Duragesic-Registered Trademark- product is cleared for marketing in 
the United States, and in more than 30 additional countries, including 
several in each of Europe, South America and Asia (excluding Japan).  The 
Testoderm-Registered Trademark- product has been cleared for marketing in the 
United States, China, Singapore and in more than ten European countries.  
Regulatory filings for the Duragesic-Registered Trademark- and 
Testoderm-Registered Trademark- products have been submitted in other 
European and Asian countries.

COMPETITION

   Competition among products using drug delivery technology is generally 
based on performance characteristics and price.  Marketing and acceptance by 
hospitals, doctors and patients are also crucial to the success of a product. 
Health care reimbursement policies of managed care organizations, insurers 
and government agencies will continue to exert pressure on pricing. The 
Duragesic-Registered Trademark- and Testoderm-Registered Trademark- products 
face competition from more traditional forms of therapy using the same or 
similar drugs, and from transdermal drug delivery systems developed by 
others.  Potential competitors in the area of more traditional forms of drug 
delivery include all of the major pharmaceutical concerns throughout the 
world.  Many of these entities have greater financial resources, technical 
staffs and marketing and manufacturing capabilities than does the Partnership 
or ALZA.  Many large and small companies are also competitors in the area of 
newer drug delivery technologies, and some of these companies have developed 
transdermal products, some of which are now in the marketplace.

   The major markets for pharmaceutical products developed in the United 
States are Europe, Japan, and North and South America.


                                     -7-
<PAGE>

REVENUES

   For the years ended December 31, 1996, 1995 and 1994, the Partnership had 
royalty income of $6,265,401, $4,441,708 and $3,167,914, respectively, 
derived from net sales of Duragesic-Registered Trademark- and 
Testoderm-Registered Trademark-.  Interest income for the years ended 
December 31, 1996, 1995 and 1994 was $28,995, $20,192 and $10,398, 
respectively.

EMPLOYEES

   The Partnership has no employees.  The Partnership requires certain 
administrative, accounting, contract management and record keeping services 
which are presently being provided by ALZA and are billed to the Partnership 
at ALZA's standard administrative services rate.


                                     -8-
<PAGE>

Item 2.  PROPERTIES

        The Partnership's principal office is located at 950 Page Mill Road, 
P.O. Box 10950, Palo Alto, California 94303-0802.  The Partnership does not 
own any of its facilities.
   
Item 3.  LEGAL PROCEEDINGS

         None.

Item 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

         None. 


                                     -9-
<PAGE>

                                  PART II

Item 5.  MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED 
         STOCKHOLDER MATTERS

   There is no established public trading market for the limited partnership 
interests.  The Partnership Agreement contains strict limitations on the 
transfer of such interests.  The Partnership has approximately 2,000 Class A 
Limited Partners, one Class B Limited Partner and one General Partner.  In 
1996, 1995 and 1994, $6,097,442, $4,306,401 and $3,032,608, respectively, 
were distributed to the Limited Partners and General Partner.

Item 6.   SELECTED FINANCIAL DATA

<TABLE>
<CAPTION>
                                   1996           1995         1994            1993         1992     
                               -----------    -----------   -----------    -----------   ----------
<S>                            <C>            <C>           <C>            <C>           <C>
Royalty income                 $ 6,265,401    $ 4,441,708   $ 3,167,914    $ 2,720,568   $1,447,746  

Interest                            28,995         20,192        10,398          7,759        5,151  

Net income                       6,207,848      4,361,647     3,082,860      2,634,523    1,384,540  

Net income, 
   Class A Limited Partners      6,035,020      4,318,031     3,052,032      2,608,178      656,259  
  
Net income, 
   Class B Limited Partner         110,749              -             -              -      669,633  
  
Net income, 
   General Partner                  62,079         43,616        30,828         26,345       58,648  
  
Total assets                        77,586         48,245        28,155         17,757        9,996  
  
Total liabilities                  146,381        227,446       262,602        302,456      276,304  
  
Total Cash Distribution          6,097,442      4,306,401     3,032,608      2,652,914    1,379,341  
Class A Partners                 5,768,192      4,073,856     2,868,864      2,509,632    1,294,880  
Class B Partner                    268,287        189,481       133,435        116,728       70,646  
General Partner                     60,963         43,064        30,309         26,554       13,815  
</TABLE>

                                     -10-
<PAGE>

Item 7.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
          RESULTS OF OPERATIONS
          
LIQUIDITY AND CAPITAL RESOURCES

     All of the Partnership's Total Funds (as defined in the Development 
Contract) have been utilized in the development of TTS Partnership Products.  
Total Funds consisted of the net proceeds from the sale by the Partnership of 
the Class A Limited Partnership units, the General Partner's and Class B 
Limited Partner's capital contributions to the Partnership, and interest and 
other income earned through temporary investment of Partnership funds, less 
all necessary expenses of operating the Partnership. In accordance with the 
agreements between ALZA and the Partnership, the Partnership is entitled to 
receive 4% of net sales of Duragesic-Registered Trademark- and 
Testoderm-Registered Trademark-. For the year ended December 31, 1996, cash 
received from royalties from Duragesic-Registered Trademark- and 
Testoderm-Registered Trademark- increased to $6,265,401 from $4,441,708 for 
1995.  Excess Cash (defined as cash received by the Partnership, less all 
amounts expended in the conduct of the Partnership's business, including 
administrative expenses, and working capital) is distributed to the Partners. 
Because the Partnership does not make commercialization decisions regarding 
TTS Partnership Products, its potential royalty stream and income are not 
within the Partnership's control.

RESULTS OF OPERATIONS

     From 1982 through 1987, the Partnership utilized all of the funds raised 
at the time of its formation, primarily to fund product development at ALZA.  
Until the introduction of Duragesic-Registered Trademark- in 1991, the 
Partnership had been without cash for either operations or distribution since 
1987.

     The Partnership earned net income of $6,207,848, $4,361,647 and 
$3,082,860 for 1996, 1995 and 1994, respectively. The Partnership received 
royalty income of $6,265,401, $4,441,708


                                     -11-
<PAGE>

and $3,167,914 for 1996, 1995 and 1994, respectively, from ALZA based on 
Janssen's reported net sales of Duragesic-Registered Trademark- and ALZA's 
net sales of Testoderm-Registered Trademark-.  The increase in royalty income 
is due to increased sales of Duragesic-Registered Trademark-.  As stated 
above, the Partnership does not make commercialization decisions regarding 
TTS Partnership Products; therefore, its potential royalty stream and income 
are not within the Partnership's control.  The interest income earned by the 
Partnership was $28,995, $20,192, and $10,398 during the years ended December 
31, 1996, 1995 and 1994, respectively.  The increase was due to a higher 
level of cash available for investment during 1996 as a result of the higher 
royalty payments received from ALZA.

     Under the terms of the Agreement of Limited Partnership (the 
"Partnership Agreement"), net losses were allocated as follows:  first, 1% to 
the General Partner and 99% to the Class A Limited Partners and then, after 
the capital account of the Class A Limited Partners was reduced to zero, 1% 
to the General Partner and 99% to the Class B Limited Partner.  After the 
capital accounts of the Class A and Class B Limited Partners were reduced to 
zero, losses were allocated 100% to the General Partner.

     Under the terms of the Partnership Agreement, net income is allocated in 
the inverse order of the losses previously allocated.  To the extent losses 
were allocated 100% to the General Partner, net income was allocated 100% to 
the General Partner in an amount equal to such losses prior to allocation of 
net income to the Class A and Class B Limited Partners.  Then, to the extent 
losses were allocated 99% to the Class B Limited Partner, any net income was 
allocated 99% to the Class B Limited Partner (and 1% to the General Partner) 
in an amount equal to such losses prior to any net income being allocated to 
the Class A Limited Partners.  Then, to the extent losses were allocated 99% 
to the Class A Limited Partners, net income was allocated 99% to the Class A 
Limited Partners (and 1% to the General Partner.)  As provided in the 
Partnership Agreement, once the amount of net income allocated to the Class A 
Limited Partners 


                                     -12-
<PAGE>

and the General Partner equaled previously allocated losses (which occurred 
during the third quarter of 1996), subsequent income began to be allocated 
99% to the Class A and Class B Limited Partners, pro rata, and 1% to the 
General Partner.

     The General Partner is required by the Partnership Agreement to 
distribute, on a quarterly basis, all of the Partnership's Excess Cash (which 
consists of all cash received by the Partnership less all amounts expended in 
the conduct of the Partnership's business, including administrative expenses, 
and working capital) in proportion to the Partners' respective capital 
contribution percentages.  Given the methodology for the allocation of losses 
and income as discussed above, deficit balances have resulted in the Class A 
Limited Partners' and General Partner's capital accounts and will continue 
until future allocated income exceeds cumulative cash distributions required 
of the General Partner.

     There were no research and development expenses in 1996, 1995, or 1994 
due to the fact that the Partnership had expended all of its Total Funds.  

     General and administrative expenses were $86,548, $100,253, and $95,452 
for the years ended December 31, 1996, 1995 and 1994, respectively. These 
expenses are payable to ALZA under an administrative services agreement 
between ALZA and the Partnership.  

     In 1994 and 1995, payments made to ALZA for past administrative services 
totaled $135,307 and $138,607, respectively.  In 1996, payments for past and 
current administrative services totaled $172,459.  Between December 1987 (at 
which time all Partnership funds, raised at the time of its formation, had 
been utilized) and December 1991 (when the Partnership began receiving 
royalty revenues on TTS  Partnership Product sales), the administrative costs 
were approximately $20,000 per quarter, totaling approximately $295,000. 
These costs were due and payable to ALZA upon invoice; however, ALZA agreed 
that the costs could be reimbursed over time, initially, at a quarterly rate 
of $5.00 per Partnership unit, which were deducted from Excess 


                                     -13-
<PAGE>

Cash from December 1991 through December 1993.  In March 1994, the quarterly 
rate was increased to $10.00 per Partnership unit.  In June 1996, it was 
determined that a further increase in the reimbursement rate was necessary to 
fully reimburse ALZA for past administrative costs on a more timely basis.  
Therefore, beginning with the September 1996 distribution, a quarterly 
deduction has been made from Excess Cash in an amount equal to the actual 
administrative expenses of the Partnership for the previous quarter plus 
$10.00 per Partnership unit to repay past administrative costs.  ALZA has not 
charged any interest on the past due amounts.  At the rate of $10.00 per 
Partnership unit per quarter, all unpaid past administrative costs (totalling 
$116,691 as of December 31, 1996), are expected to be repaid by the fourth 
quarter of 1997.

      The Partnership maintains its books using a modified basis of cash 
receipts and disbursements which is different from accrual basis accounting 
in that royalty revenues are not recognized until the related cash is 
received.


                                     -14-
<PAGE>

Item 8.   FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     Financial Statements:  Incorporated herein by reference to the 
Financial Statements and Additional Information attached as Exhibit 13.
   
Item 9.   CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
          FINANCIAL  DISCLOSURE

     Not applicable.


                                     -15-
<PAGE>

                                 PART III

Item 10.   DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

        The Partnership has no directors or executive officers.  The affairs 
of the Partnership are managed by its General Partner.  David R. Hoffmann has 
served as a director and officer of the General Partner from its inception.  
James W. Young was named a director and a Vice President of the General 
Partner in 1996 to replace a retiring director.  There is presently a 
vacancy on the Board of Directors due to the recent retirement of a director. 
The current directors intend to appoint an additional director in the near 
future.

     Name           Age                      Positions Held
     ----           ---      ----------------------------------------------
David R. Hoffmann   52       President (Chief Executive Officer), Chief
                             Financial Officer and Director of the
                             General Partner; Vice President (since
                             1985) and Treasurer of ALZA (since 1987) 

James W. Young      52       Vice President and Director of the
                             General Partner; Senior Vice President,
                             Commercial Development of ALZA (since 1995)


                                     -16-
<PAGE>

Item 11.   EXECUTIVE COMPENSATION

     The directors and executive officers of the General Partner do not 
receive any remuneration from the Partnership or the General Partner.  All of 
them do, however, receive salaries from ALZA for their services to ALZA.  To 
the extent that they perform administrative functions on behalf of the 
Partnership, a portion of their salaries is billed by ALZA to the Partnership 
as an administrative cost.

Item 12.   SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

<TABLE>
<CAPTION>
                                                                                            Percent
                         Name and Address of            Amount and Nature of Beneficial       of
Title of Class           Beneficial Owner               Ownership Class                      Class
- -------------------      -------------------------      -------------------------------     -------
<S>                      <C>                            <C>                                   <C>
General                  ALZA Development               General Partnership Interest          100%
Partnership              Corporation                    which amounts to 1% of the total
Interest                 950 Page Mill Road             capital of the Partnership.
                         P.O. Box 10950
                         Palo Alto, CA
                         94303-0802

Class B Limited          Stada Arzneimittel AG,         Class B Limited Partnership           100%
Partnership              Stadastrasse 2-18 61118        Interest which amounts to
Interest                 Bad Vilbel Germany             $750,000.
</TABLE>

     None of the directors or officers of the General Partner own any direct 
interest in the Partnership or the General Partner.  The General Partner has 
an option to purchase all of the Limited Partners' interests for $120 million 
(payable in cash, ALZA common stock or a combination, at the General 
Partner's option), less an amount equal to all cash distributed to the 
Limited Partners by the Partnership.


                                     -17-
<PAGE>

Item 13.   CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

   Under the terms of an administrative services agreement between ALZA and 
the Partnership, in 1996 the Partnership paid ALZA a total of $172,459 for 
past and current administrative expenses.


                                     -18-
<PAGE>

                             PART IV

Item 14.   EXHIBITS, FINANCIAL STATEMENTS, FINANCIAL STATEMENT SCHEDULES 
           AND REPORTS ON FORM 8-K

(a) Documents filed as part of this Annual Report on Form 10-K:

    1.    Financial Statements: Incorporated herein by reference to the 
          Financial Statements and Additional Information attached as 
          Exhibit 13.

    2.    Financial Statement Schedules:  None. 

    3.    Exhibits:

           4.1  Agreement of Limited Partnership filed as Exhibit 3.A to 
                Amendment No. 1 to Form S-1 Registration Statement No. 2-80595 
                ("Registration Statement") filed with the Securities and 
                Exchange Commission on February 11, 1983. 
           4.2  Certificate of Limited Partnership filed as Exhibit 3.B to the 
                Registration Statement.
          10.1  Research and Development Contract between ALZA Corporation 
                and the Partnership dated 12/30/82 filed as Exhibit 10.A to the
                Registration Statement.
          10.2  Technology License Agreement between ALZA Corporation and the 
                Partnership dated 12/30/82 filed as Exhibit 10.B to the 
                Registration Statement.
          10.3  Option Agreement between ALZA Corporation and the Partnership
                dated 12/30/82 filed as Exhibit 10.C to the Registration 
                Statement.
          13.   Financial Statements and Additional Information.
          23.   Consent of Ernst & Young LLP, Independent Auditors.
          27.   Financial Data Schedule.

(b) Reports on Form 8-K: None.


                                     -19-
<PAGE>

                       ALZA TTS Research Partners, Ltd.
                        Index to Financial Statements
                                (Item 14(a))

                                                            PAGE
FINANCIAL STATEMENTS:                                      NUMBER
- ---------------------                                      ------
Report of Ernst & Young LLP, Independent 
Auditors                                                      1

Statements of Assets, Liabilities, and Partners'
Capital (Deficit) at December 31, 1996 and 1995               2

Statements of Revenue Collected and Expenses for 
the Years ended December 31, 1996, 1995 and 1994              3

Statements of Partners' Capital (Deficit) for the 
Years ended December 31, 1996, 1995, 1994                     4

Statements of Cash Flows for the Years ended 
December 31, 1996, 1995 and 1994                              5

Notes to Financial Statements                               6 - 11

Additional Information                                     13 - 15


     The above financial statements are included in the Financial Statements 
and Additional Information, attached as Exhibit 13, and are hereby 
incorporated by reference.

     All schedules have been omitted because the required information is not 
present or is not present in amounts sufficient to require submission of the 
schedule, or because the information required is included in the financial 
statements, including the notes thereto.


                                     -20-
<PAGE>

     Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned thereunto duly authorized.
     
                                           ALZA TTS Research Partners, Ltd.
                                                    (Registrant)
     
                                           By:  ALZA Development Corporation
                                                     General Partner
     
     
                                           By:   /s/ David R. Hoffmann
                                              -------------------------------
                                                  David R. Hoffmann
                                                      President
     
     Pursuant to the requirements of the Securities Exchange Act of 1934, 
this report has been signed below by the following persons on behalf of the 
registrant by its General Partner and in the capacities and on the dates 
indicated.
     
Date:  March 26, 1997                        /s/ David R. Hoffmann      
                                         -------------------------------
                                                David R. Hoffmann
                                           President (Chief Executive
                                           Officer), Chief Financial 
                                              Officer and Director
     
          
     
Date:  March 26, 1997                          /s/ James W. Young      
                                          ------------------------------
                                                 James W. Young
                                               Director and Vice
                                                   President


                                     -21-
<PAGE>

                                EXHIBIT INDEX
          
                       ALZA TTS RESEARCH PARTNERS, LTD.
          
                          ANNUAL REPORT ON FORM 10-K
          
          
          
     Exhibit         Exhibit           
     Number          Name                   
     -------         --------------------  
       4.1           Agreement of Limited Partnership
                    
       4.2           Certificate of Limited Partnership
                    
      10.1           Research and Development
                     Contract between ALZA Corporation and the Partnership
                     dated 12/30/82
                    
      10.2           Technology License Agreement between ALZA Corporation 
                     and the Partnership dated 12/30/82
                    
      10.3           Option Agreement between ALZA Corporation and the 
                     Partnership dated 12/30/82
                    
       13            Financial Statements and Additional Information
                    
       23            Consent of Ernst & Young LLP, Independent Auditors
                    
       27            Financial Data Schedule


                                     -22-

<PAGE>
                                                            Exhibit 4.1



                        ALZA TTS RESEARCH PARTNERS, LTD.
                                 AGREEMENT
                                     OF
                            LIMITED PARTNERSHIP

<PAGE>

                      AGREEMENT OF LIMITED PARTNERSHIP
                             Table of Contents

                                                                       Page
                                                                       ----
                                 ARTICLE 1

GENERAL PROVISIONS . . . . . . . . . . . . . . . . . . . . . . . . . .   1

  1.1  Formation . . . . . . . . . . . . . . . . . . . . . . . . . . .   1
  1.2  Name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2
  1.3  Term. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   2
  1.4  Partnership Business. . . . . . . . . . . . . . . . . . . . . .   2
  1.5  Principal Place of Business . . . . . . . . . . . . . . . . . .   2

                                 ARTICLE 2

CAPITAL CONTRIBUTIONS . . . . . . . . . . . . . . . . . . . . . . . . .  3

  2.1  Capitalization . . . . . . . . . . . . . . . . . . . . . . . . .  3
  2.2  Partners; Amount of Agreed Capital Contributions . . . . . . . .  3
  2.3  Additional Partners. . . . . . . . . . . . . . . . . . . . . . .  4
  2.4  Additional Capital Contributions Not Required. . . . . . . . . .  5
  2.5  No Interest on Capital . . . . . . . . . . . . . . . . . . . . .  5
  2.6  No Withdrawal of Capital . . . . . . . . . . . . . . . . . . . .  5
  2.7  No Voluntary Capital Contributions . . . . . . . . . . . . . . .  6
  2.8  General Partner as Limited Partner . . . . . . . . . . . . . . .  6


                                 ARTICLE 3

DISTRIBUTIONS, PROFITS AND LOSSES . . . . . . . . . . . . . . . . . . .  6

  3.1  Capital Accounts . . . . . . . . . . . . . . . . . . . . . . . .  6
  3.2  Partnership Capital Percentage . . . . . . . . . . . . . . . . .  6
  3.3  Allocation of Profits and Losses . . . . . . . . . . . . . . . .  7
  3.4  Distributions to Partners. . . . . . . . . . . . . . . . . . . .  7


                                ARTICLE 4

ADMINISTRATIVE PROVISIONS . . . . . . . . . . . . . . . . . . . . . . .  8


<PAGE>


                                Table of Contents
                                  (Continued)
                                                                       Page
                                                                       -----

  4.1  Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
  4.2  Powers of General Partner. . . . . . . . . . . . . . . . . . . .  8
  4.3  Time Devoted by the General Partner; Contracts
        with the General Partner. . . . . . . . . . . . . . . . . . . . 11
  4.4  Net Worth; Liability; Indemnification  . . . . . . . . . . . . . 12
  4.5  Limited Partners . . . . . . . . . . . . . . . . . . . . . . . . 14
  4.6  Class B Limited Partner's Right to Consult . . . . . . . . . . . 16

                                  ARTICLE 5

ACCOUNTING AND REPORTS. . . . . . . . . . . . . . . . . . . . . . . . . 16

  5.1  Books and Records. . . . . . . . . . . . . . . . . . . . . . . . 16
  5.2  Fiscal Year  . . . . . . . . . . . . . . . . . . . . . . . . . . 16
  5.3  Accounting Method  . . . . . . . . . . . . . . . . . . . . . . . 16
  5.4  Reports  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
  5.5  Tax Returns and Other Reports  . . . . . . . . . . . . . . . . . 18


                                 ARTICLE 6

TRANSFERS AND OTHER DISPOSITIONS OF PARTNERSHIP
   INTERESTS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

  6.1  Transfer of Interests  . . . . . . . . . . . . . . . . . . . . . 18
  6.2  Death or Incompetence of Class A Limited
          Partner . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
  6.3  Sale or Transfer of Interest of a Limited
          Partner . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
  6.4  Assignee or Transferee Bound by This
          Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . 22
  6.5  Effective Date of Transfer . . . . . . . . . . . . . . . . . . . 22
  6.6  Nontransferability of Interest of a
          General Partner . . . . . . . . . . . . . . . . . . . . . . . 22
  6.7  Removal or Bankruptcy of General Partner . . . . . . . . . . . . 23


                               ARTICLE 7

PURCHASE OPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

  7.l  Grant of Option  . . . . . . . . . . . . . . . . . . . . . . . . 24
  7.2  Time for Exercise  . . . . . . . . . . . . . . . . . . . . . . . 24
  7.3  Manner of Exercise . . . . . . . . . . . . . . . . . . . . . . . 24

                                 -ii-

<PAGE>


                           Table of Contents
                              (Continued)
                                                                       Page
                                                                       ----

  7.4  Purchase Price; Payment. . . . . . . . . . . . . . . . . . . . . 24
  7.5  Transfer of Title. . . . . . . . . . . . . . . . . . . . . . . . 25
  7.6  Rights of ALZA Development Corporation . . . . . . . . . . . . . 25

                              ARTICLE 8

TERMINATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

  8.1  Termination. . . . . . . . . . . . . . . . . . . . . . . . . . . 26
  8.2  Terminating Event  . . . . . . . . . . . . . . . . . . . . . . . 26
  8.3  Right to Dissolve the Partnership  . . . . . . . . . . . . . . . 26

                              ARTICLE 9

DISSOLUTION AND FINAL DISTRIBUTION OF ASSETS  . . . . . . . . . . . . . 27

  9.1  Winding Up the Partnership . . . . . . . . . . . . . . . . . . . 27
  9.2  Gains or Losses in Process of Liquidation. . . . . . . . . . . . 28
  9.3  Waiver of Rights to Court Decree
         of Dissolution . . . . . . . . . . . . . . . . . . . . . . . . 28
  9.4  Return of Capital. . . . . . . . . . . . . . . . . . . . . . . . 28

                             ARTICLE 10

MEETINGS OF PARTNERS  . . . . . . . . . . . . . . . . . . . . . . . . . 29

  10.1  Meetings  . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

                             ARTICLE 11

MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

  11.1  Costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
  11.2  Headings  . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
  11.3  Counterparts; Signature Pages . . . . . . . . . . . . . . . . . 30
  11.4  Entire Agreement  . . . . . . . . . . . . . . . . . . . . . . . 30
  11.5  Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
  11.6  Applicable Law  . . . . . . . . . . . . . . . . . . . . . . . . 31
  11.7  Successors and Assigns  . . . . . . . . . . . . . . . . . . . . 31
  11.8  Authorization; Power of Attorney  . . . . . . . . . . . . . . . 32

                              -iii-

<PAGE>

IT IS UNLAWFUL TO CONSUMMATE A SALE OR TRANSFER OF THIS SECURITY, OR ANY 
INTEREST THEREIN, OR TO RECEIVE ANY CONSIDERATION THEREFOR, WITHOUT THE PRIOR 
WRITTEN CONSENT OF THE COMMISSIONER OF CORPORATIONS OF THE STATE OF 
CALIFORNIA, EXCEPT AS PERMITTED IN THE COMMISSIONER'S RULES.

                 AGREEMENT OF LIMITED PARTNERSHIP
                 --------------------------------

    AGREEMENT made this 30th day of December, 1982, by and between ALZA 
DEVELOPMENT CORPORATION, a California corporation ("General Partner") and 
Mary M. Roensch (the "Initial Class A Limited Partner" who, together with 
those parties who shall hereafter be admitted as additional or substituted 
Class A Limited Partners pursuant to the terms hereof, collectively shall be 
called the "Class A Limited Partners"). The Class A Limited Partners, 
together with the entity who hereafter shall be admitted as a Class B Limited 
Partner (the "Class B Limited Partner") collectively shall be called "Limited 
Partners". The Limited Partners, together with the General Partner, 
collectively shall be called "Partners".

    In consideration of the mutual promises and covenant contained herein, 
the parties hereto agree as follows:

                                  ARTICLE 1
   
                             GENERAL PROVISIONS


    1.1  FORMATION.  The General Partner and the Initial Class A Limited 
Partner hereby form with each other a limited partnership (the "Partnership") 
pursuant to the provisions of the California Uniform Limited Partnership Act 
(the "Act").

<PAGE>


The Partnership shall continue without interruption as a limited partnership 
under the provisions of the Act after the admission of additional Class A 
Limited Partners and the Class B Limited Partner pursuant to the provisions 
of Section 2.4 hereof and the withdrawal from the Partnership of the Initial 
Class A Limited Partner.

    1.2  NAME.  The Partnership shall operate under the name of "ALZA TTS 
Research Partners, Ltd."; provided, however, that the business of the 
Partnership may be conducted, upon compliance with all applicable laws, under 
any other name designated by the General Partner.

    1.3  TERM.  The Partnership shall commence on the date of the recording of 
a Certificate of Limited Partnership in the Office of the Recorder of Santa 
Clara County, and shall continue until January 31, 2004, unless earlier 
terminated pursuant to the provisions of this Agreement.

    1.4  PARTNERSHIP BUSINESS.  The Partnership is formed (i) to develop, 
obtain regulatory approval for, license, manufacture and market 
pharmaceutical products combining transdermal therapeutic systems technology 
with selected drug compounds and (ii) to engage in any lawful business 
incidental thereto.

    1.5  PRINCIPAL PLACE OF BUSINESS. The principal place of business of the 
Partnership shall be 950 Page Mill Road, Palo Alto, California 94304 or such 
other place as the General Partner shall from time to time designate.

                               -2-

<PAGE>


                                  ARTICLE 2

                            CAPITAL CONTRIBUTIONS


    2.1  CAPITALIZATION.  The minimum capitalization of the Partnership for 
commencement of its business shall be $12,373,737 and the maximum 
capitalization of the Partnership shall be $16,919,192.

    2.2  PARTNERS; AMOUNT OF AGREED CAPITAL CONTRIBUTIONS.  The capital 
contributions to be made to the Partnership (the "Agreed Capital 
Contributions") shall be as follows:

    (a)  The name, address and Agreed Capital Contribution of the General 
Partner are set forth on Schedule A hereto, as amended from time to time. In 
addition to its Agreed Capital Contribution, the General Partner shall 
contribute additional capital to the Partnership, if necessary, so that the 
General Partner's total Agreed Capital Contribution as general partner at all 
times shall equal 1% of the aggregate contributions to capital of all 
Partners.

    (b)  The name, place of residence and Agreed Capital Contribution of the 
Initial Class A Limited Partner are set forth on Schedule A hereto, as 
amended from time to time.  Upon the admission of any additional Class A 
Limited Partner pursuant to Section 2.4 hereof, the Initial Class A Limited 
Partner shall withdraw from the Partnership and shall be entitled to receive 
forthwith the return of her Agreed Capital Contribution, without interest or 
deduction.

                                   -3-

<PAGE>

    2.3  ADDITIONAL PARTNERS.

    (a)  The General Partner is authorized to admit additional Class A 
Limited Partners if, after the admission of such additional Class A Limited 
Partners, the aggregate Agreed Capital Contribution of all the Class A 
Limited Partners would not be less than $12,000,000 nor more than $16,000,000 
(excluding the Agreed Capital Contribution of the Initial Limited Partner). 
The manner of the offering of the additional Class A Limited Partnership 
interests, the terms and conditions under which subscriptions for such 
interests will be accepted, the manner of and conditions to the sale of such 
interests to subscribers therefor and the admission of such subscribers as 
additional Class A Limited Partners shall be in all material respects as 
provided in the prospectus (the "Prospectus") contained in the Registration 
Statement filed with the Securities and Exchange Commission for the 
registration under the Securities Act of 1933, as amended, of the Class A 
Limited Partnership interests and shall be subject to the provisions thereof. 
Upon the admission of any additional Class A Limited Partners, the names, 
places of residence and Agreed Capital Contributions of the additional Class 
A Limited Partners shall be set forth on Schedule A, as amended from time to 
time, and each such additional Class A Limited Partner shall execute a 
signature page of this Agreement, which shall be deemed to be a counterpart 
of this Agreement.

                                      -4-

<PAGE>

    (b)  The General Partner is authorized to admit Stada Arzneimittel AG as 
a Class B Limited Partner if it agrees to make an Agreed Capital Contribution 
of $750,000.  Upon the admission of the Class B Limited Partner, its name, 
address and Agreed Capital Contribution shall be set forth on Schedule A 
hereto, as amended from time to time, and such Class B Limited Partner shall 
execute a signature page of this Agreement. The Agreed Capital Contribution 
of the Class B Limited Partner shall be payable one-third on the date of its 
admission to the Partnership, one-third one year from such date, and 
one-third two years from such date.  No interest shall be payable by the 
Class B Limited Partner with respect to any installment of its Agreed Capital 
Contribution that is paid when due.

    (c)  No additional General Partner may be admitted except as provided in 
Article 6 hereof.

    2.4  ADDITIONAL CAPITAL CONTRIBUTIONS NOT REQUIRED.  The Partnership 
interests of the Partners are nonassessable.  Except as provided in Section 
2.2(a) hereof with respect to the General Partner, no additional 
contributions to capital shall be required.

    2.5  NO INTEREST ON CAPITAL.  No interest shall be paid on contributions to 
the capital of the Partnership.

    2.6  NO WITHDRAWAL OF CAPITAL. Except as provided in Section 2.2(b) and 
Article 9 hereof, no Partner shall have the right to withdraw such Partner's 
capital contribution.

                                  -5-

<PAGE>



    2.7  NO VOLUNTARY CAPITAL CONTRIBUTIONS.  No Partner shall have the right 
to make voluntary contributions to the capital of the Partnership.

    2.8  GENERAL PARTNER AS LIMITED PARTNER.  The General Partner also may be 
a Limited Partner to the extent that it purchases or becomes the transferee 
of all or any part of the Partnership interest of a Limited Partner. The 
General Partner's Agreed Capital Contribution pursuant to Section 2.2(a) 
hereof shall be made solely in its capacity as General Partner and, except as 
provided in Section 6.7 hereof, shall not entitle the General Partner to any 
rights as a Limited Partner.

                                 ARTICLE 3

                    DISTRIBUTIONS, PROFITS AND LOSSES


    3.1  CAPITAL ACCOUNTS.  A "Capital Account" shall be maintained for each 
Partner, which shall consist of the Partner's Agreed Capital Contribution, 
increased by the Partner's allocable share of Partnership net income and by 
any additional capital contributions of the Partner and decreased by the 
Partner's allocable share of Partnership net losses and by the amount of any 
distributions to the Partner.

    3.2  PARTNERSHIP CAPITAL PERCENTAGE.  The "Partnership Capital 
Percentage" of each Partner shall be that proportion (expressed as a 
percentage) that the amount of the Partner's Agreed Capital Contribution 
bears to the total of all Partners' Agreed Capital Contributions.

                                 -6-

<PAGE>


    3.3  ALLOCATION OF INCOME AND LOSSES.  All income and losses of the 
Partnership shall be allocated as follows:

    (a)  Any net losses of the Partnership shall be allocated as follows: (i) 
first, 99% to the Class A Limited Partners as a group (provided that no such 
allocation shall reduce any Class A Limited Partner's Capital Account below 
zero) and 1% to the General Partner; (ii) then, if the Capital Accounts of 
all of the Class A Limited Partners have been reduced to zero, 99% to the 
Class B Limited Partner (provided that no such allocation shall reduce the 
Class B Limited Partner's Capital Account below zero) and 1% to the General 
Partner; and (iii) thereafter, if the Capital Account of the Class B Limited 
Partner has been reduced to zero, 100% to the General Partner. Among the 
Class A Limited Partners, all net losses shall be allocated in proportion to 
their respective Partnership Capital Percentages.

    (b)  Net income of the Partnership shall be allocated as follows: (i) 
first, to the Partners to the extent of, in proportion to and in the inverse 
order of net losses previously allocated pursuant to Section 3.3(a) hereof 
and (ii) thereafter, to all Partners in proportion to their respective   
Partnership Capital Percentages.

    3.4  DISTRIBUTIONS TO PARTNERS.  As soon as practicable after the close of 
each calendar quarter, the General Partner shall distribute Excess Cash to 
the Partners in proportion to

                                      -7-

<PAGE>

their respective Partnership Capital Percentages.  The term "Excess Cash" as 
used herein, with respect to any quarter shall mean all cash funds received 
by the Partnership in such quarter, other than Agreed Capital Contributions 
and interest or other income earned on temporary investments thereof, less 
the sum of (i) all amounts expended during such quarter by the General Partner 
in the conduct of the Partnership's business and (ii) such working capital or 
other reserves or amounts as the General Partner determines in its sole 
discretion are necessary or appropriate for Partnership operations and 
obligations.

                                     ARTICLE 4

                             ADMINISTRATIVE PROVISIONS


    4.1  CONTROL.  Except as expressly provided herein, the General Partner 
shall have exclusive control over the management, operation and policies of 
the Partnership. The General Partner shall have all of the rights and powers 
of a general partner as provided in the Act. The Limited Partners shall not 
participate in the management of the business of the Partnership.

    4.2  POWERS OF GENERAL PARTNER.

    (a)  Without limiting the provisions of Section 4.1 hereof, the General 
Partner hereby is authorized, in carrying on the business of the Partnership:

                                       -8-

<PAGE>



    (i)  to negotiate, enter into and execute contracts, licenses, joint 
venture agreements and leases and incur obligations for and on behalf of the 
Partnership;

    (ii)  to borrow monies for and on behalf of Partnership necessary or 
desirable for Partnership operations, upon such terms and conditions as it 
may deem advisable and proper, and to pledge the credit and mortgage or 
otherwise encumber the assets of the Partnership for such purposes; provided, 
however, that the Partnership may not, without amending this Agreement, have 
outstanding at any one time in excess of $100,000 in principal amount of such 
borrowings;

    (iii)  to acquire and sell real and personal property on behalf of the 
Partnership upon such terms as the General Partner deems advisable;

    (iv)  to select depositories for the cash funds of the Partnership and to 
designate signatures for the accounts in such depositories;

    (v)  to employ (and terminate the employment of) such persons, firms or 
corporations on behalf of the Partnership as, in its sole discretion, the 
General Partner shall deem advisable for the proper operation of the 
Partnership business including, without limitation, consultants, lawyers and 
accountants. The fact that the General Partner or any of its affiliates is 
employed by or

                                       -9-

<PAGE>

employs, or is directly or indirectly affiliated with, any such Person, firm 
or corporation, shall not prohibit the General Partner from employing or 
otherwise dealing with such person, firm or corporation;

    (vi)  to the extent that funds of the Partnership are, in the General 
Partner's discretion, not immediately necessary to the conduct of the 
Partnership's business, to invest temporarily such funds in cash, cash 
equivalents and United States government securities;

    (vii)  to prosecute, protect and defend all patents, patent rights, trade 
names, trademarks and service marks, and all applications with respect 
thereto that may be held by the Partnership;

    (viii)  to prepay, in whole or in part, refinance, modify or extend any 
agreement or promissory note, or any lease, mortgage or deed of trust 
affecting property owned by the Partnership, and in connection therewith to 
execute for and on behalf of the Partnership any and all extensions, renewals 
and modifications of such instruments; and

    (ix)  to take any other actions incidental to any of the foregoing or to 
the purposes of the Partnership.

The General Partner shall use its best efforts to cause the Partnership to be 
formed, qualified or registered under assumed

                                       -10-

<PAGE>

or fictitious name statutes or similar laws in any state in which the 
Partnership owns property or transacts business, if such formation, 
qualification or registration is necessary to protect the limited liability 
of the Limited Partners or to permit the Partnership lawfully to own property 
or to transact business in such state.

    (b)  No person shall be required to determine the General Partner's 
authority to act on behalf of the Partnership.

    (c)  The General Partner shall, on the first federal income tax return of 
the Partnership, treat research or experimentation expenditures of the 
Partnership as deductible under Section 174 of the Internal Revenue Code of 
1954, as amended, when paid or incurred; and the General Partner is 
authorized, in its discretion, to make or decline to make any other elections 
which may be made for federal or state tax purposes.

     4.3  TIME DEVOTED BY THE GENERAL PARTNER; CONTRACTS WITH THE GENERAL 
PARTNER.

    (a)  The General Partner shall devote such time as is reasonably 
necessary to the conduct of the business of the Partnership. The General 
Partner shall manage the affairs of the Partnership to the best of its 
ability, and the General Partner shall use its best efforts to carry out the 
purposes of the Partnership for the benefit of all Partners.

    (b)  The General Partner and any Limited Partner may engage in or possess 
an interest in other business ventures

                                        -11-

<PAGE>

of every nature and description, independently or with others, whether such 
ventures are competitive with the Partnership or otherwise, and neither the 
Partnership nor any Partner shall have any right by virtue of this Agreement 
in or to such independent ventures or to the income or profits therefrom.

    (c)  The General Partner may, on behalf of the Partnership, enter into 
contracts or other agreements including, without limitation, the contracts 
set forth on Schedule I hereto, with the General Partner or any entity 
directly or indirectly related to or affiliated with the General Partner.

    4.4  NET WORTH; LIABILITY; INDEMNIFICATION.

    (a)  The General Partner shall be entitled to reimbursement from the 
Partnership for all properly incurred Partnership expenses or obligations 
paid by the General Partner out of its own funds including, without 
limitation, amounts expended prior to the admission of additional Class A 
Limited Partners.

    (b)  The General Partner represents that it presently does, and agrees 
that it will, at all times during the term of the Partnership, (a) maintain a 
net worth (computed without regard to the General Partner's interest in the 
Partnership and in any other limited partnerships) equal to at least 10% of 
(i) the aggregate capital contributions of the Partners and (ii) the 
aggregate capital contributions of all partners to all other limited 
partnerships in which the General

                                       -12-

<PAGE>

Partner is the sole general partner and (b) meet all other criteria set forth 
in Revenue Procedures 72-13 and 74-17 of the Internal Revenue Service with 
respect to its ruling policy on the status of limited partnerships, unless 
and until the General Partner has been advised by counsel that the foregoing 
are not relevant to the classification of the Partnership as a partnership 
for federal income tax purposes.

    (c)  Neither the General Partner nor any of its officers, directors, 
employees or agents shall be liable to the Partnership or any Limited 
Partners for any action or inaction of the General Partner in connection with 
the business or affairs of the Partnership, so long as the person against 
whom liability is asserted acted in good faith on behalf of the Partnership 
and in a manner reasonably believed by such person to be in the best 
interests of the Partnership, but only if such course of conduct does not 
constitute gross negligence or willful misconduct. The General Partner and 
its affiliates, officers, directors and agents shall be indemnified and held 
harmless by the Partnership for any liability or loss suffered by them solely 
by virtue of the performance by any of them of the duties of the General 
Partner acting as general partner in connection with the Partnership's 
business, so long as such indemnified person acted in good faith on behalf of 
the Partnership and in a manner reasonably believed by such person to be in 
the best interests of the Partnership, but only if

                                       -13-

<PAGE>

such course of conduct does not constitute negligence or misconduct; provided 
that such indemnification or agreement to hold harmless shall only be 
recoverable out of assets of the partnership and not from the Limited 
Partners.

    4.5  LIMITED PARTNERS.

    (a)  The Limited Partners shall not take part in the management of the 
Partnership business or transact any business for the Partnership, shall have 
no power to sign for or to bind the Partnership, and shall not be personally 
liable for any of the debts or obligations of the Partnership beyond the 
amount of capital contributed by them to the Partnership, except as may be 
required by applicable law; provided, however, that the Limited Partners 
shall have the power to vote upon the following Partnership matters affecting 
the basic structure of the Partnership, each of which shall require the 
affirmative vote or written consent of the Limited Partners holding a 
majority of the Partnership Capital Percentages of all Limited Partners as a 
group:

      (i)  if and to the extent permitted by law, continuation of the 
Partnership after a Terminating Event as defined in Section 8.2;

      (ii)  acceptance of resignation of General Partner;

      (iii)  election of a new General Partner after the occurrence of a   
Terminating Event;

                                       -14-

<PAGE>

      (iv)  sale of all or substantially all of the assets of the Partnership 
other than as provided for in any of the contracts set forth on Schedule I 
hereto;

      (v)  approval of sale of the Partnership Interest of the General 
Partner;

      (vi)  removal of a General Partner;

      (vii)  termination of the Partnership other than by a Terminating Event 
or the expiration of its term, but only after all of the Agreed Capital 
Contributions (and interest and other income earned on temporary investments 
thereof) have been expended; and

      (viii)  amendment of this Agreement.

Upon the approval of any of the foregoing Partnership matters pursuant to 
this Section 4.5, the General Partner automatically shall be authorized and 
directed to conclude any transaction so approved, and all Partners, including 
any Limited Partners who may have been opposed to any such transaction, shall 
be bound to conclude the transaction and to execute such documents and do 
such things in furtherance thereof as the General Partner deems necessary or 
convenient.  A copy of each amendment shall be sent to each Limited Partner.

    (b)  Each Limited Partner shall provide to the Partnership prompt written 
notice of any change of such Limited Partner's address from that set forth on 
Schedule A hereto, and the General Partner may amend Schedule A to reflect 
such change of address.

                                       -15-

<PAGE>

    4.6  CLASS B LIMITED PARTNER'S RIGHT TO CONSULT.  The Class B Limited 
Partner shall have the right to consult with the General Partner with respect 
to any products to be developed by the partnership. This role shall be 
advisory in nature and shall not in any way limit the power of the General 
Partner under this Agreement.

                                     ARTICLE 5

                              ACCOUNTING AND REPORTS

    5.1  BOOKS AND RECORDS.   The General Partner shall maintain proper and 
complete books of account of the business of the Partnership, which shall be 
open to inspection by any Partner, or such Partner's duly authorized 
representative, at the Partnership's principal place of business upon 
reasonable notice and for a proper purpose at all reasonable times during 
normal business hours. The Partnership shall employ a firm of certified 
public accountants, selected by the General Partner, to review its books 
annually.

    5.2  FISCAL YEAR.  The fiscal year of the Partnership shall be the 
calendar year.

    5.3  ACCOUNTING METHOD.  The books of the Partnership shall be maintained 
on the cash basis of accounting.

    5.4  REPORTS. (a) Within 75 days after the end of each year, the General 
Partner shall notify in writing each Person who was a Partner at any time 
during the year of such

                                       -16-

<PAGE>

person's distributive share of the Partnership's net income and net losses 
for such year and all other Partnership information necessary for the 
preparation of such person's federal income tax returns.  Within 90 days 
after the end of each year, the General Partner shall furnish to each Partner 
an annual report containing (i) financial statements of the Partnership 
including, without limitation, a balance sheet and statements of income and 
changes in financial position for such year, prepared in accordance with 
generally accepted accounting principles and accompanied by a report of the 
Partnership's certified public accountants and (ii) a general description of 
the activities of the Partnership during the period covered by the report and 
(iii) a description of any material transactions between the Partnership and 
the General Partner or any of its affiliates.

    (b)  Within 60 days after the end of each calendar quarter (other than 
the last fiscal quarter of any year) prior to the termination of this 
Agreement, the General Partner shall furnish to each Partner a report 
containing a balance sheet and an income statement for such quarterly period, 
each of which will be prepared in accordance with generally accepted 
accounting principles but which may be unaudited.  The report also shall 
contain a description of any material events concerning the business of the 
Partnership that occurred during such fiscal quarter.

    (c)  As soon as practicable after the dissolution of the Partnership, the 
General Partner shall furnish to

                                       -17-

<PAGE>

all of the Partners reports equivalent to those furnished after the close of 
each year, and a report showing the amount realized upon disposition of the 
Partnership assets.

    5.5  TAX RETURNS AND OTHER REPORTS.  The General Partner shall cause 
income tax returns of the Partnership to be prepared and timely filed with 
the appropriate taxing authorities.  The General Partner shall prepare and 
file with appropriate state authorities any reports required to be filed by 
such state authorities, and also shall prepare and file with the Securities 
and Exchange Commission any reports required to be filed with such commission.

                                    ARTICLE 6

                       TRANSFERS AND OTHER DISPOSITIONS                       
                          OF PARTNERSHIP INTERESTS

     6.1  TRANSFER OF INTERESTS.  The Partnership Interest of a Partner shall 
not be sold, assigned, transferred or encumbered, except as provided in this 
Agreement.  A Partner's "Interest" shall refer to the entire ownership 
interest of the Partner in the Partnership, including the right of such 
Partner to any and all benefits to which such Partner may be entitled as 
provided in this Agreement, together with the obligations of such Partner to 
comply with all of the terms hereof.  Any purported transfer or assignment 
made other than in accordance with this Agreement shall be null and void and 
of no force and effect, at the option of the General Partner.  No transfer

                                       -18-

<PAGE>


or assignment to a minor (except in trust or pursuant to the Uniform Gifts to 
Minors Act) Shall be effective.

    6.2  DEATH OR INCOMPETENCE OF CLASS A LIMITED PARTNER.  Subject to the 
provisions of Sections 6.4 and 6.5 and the General Partner's option described 
in Article 7, the personal representative or other successor of a deceased or 
incompetent Class A limited Partner shall succeed to the Interest of a Class 
A Limited Partner after such representative or successor shall have submitted 
to the General Partner certified copies of court orders, or other evidence 
satisfactory to the General Partner, establishing such incompetence or death 
and the authority of such personal representative or successor; however, such 
representative or successor shall not become a substituted Limited Partner 
without the consent of the General Partner, which consent may be withheld in 
the absolute discretion of the General Partner.

    6.3  SALE OR TRANSFER OF INTEREST OF A LIMITED PARTNER.

    (a)  Subject to any restrictions on transferability required by law, the 
provisions of Sections 6.4 and 6.5 hereof and the General Partner's option 
described in Article 7 hereof, any Limited Partner may assign or otherwise 
transfer such Limited Partner's Interest in the Partnership, provided:

        (i) the transfer of a Class A Limited Partner's Interest is in an 
increment of $5,000 of Agreed Capital Contribution, and the transfer by the 
Class B Limited Partner is of its entire Interest;

                                       -19-

<PAGE>

    (ii)  with respect to a Class A Limited Partner's Interest, the assignee 
or transferee meets all requirements set forth in the Prospectus applicable 
to additional Class A Limited Partners;

    (iii)  the General Partner consents in writing to such assignment or 
transfer, which consent shall be withheld and may only be withheld if such 
assignment or transfer (a) does not satisfy subparagraph (ii) above, (b) 
would jeopardize the status of the Partnership for federal income tax 
purposes, or (c) would violate, or cause the Partnership to violate, any 
applicable law or governmental rule or regulation, including without 
limitation, any applicable federal or state securities law;

    (iv)  if requested by the General Partner, an opinion from counsel for 
the Partnership is delivered to the General Partner stating that, in the 
opinion of such counsel, such transfer or assignment will not violate or 
cause the Partnership to violate, any applicable law or governmental rule or 
regulation including, without limitation, any applicable federal or state 
securities law;

    (v)  the full Agreed Capital Contribution of the assignor or transferor 
has been paid; and

    (vi)  prior to the transfer or assignment, the assignor or transferor 
reimburses the General Partner and the Partnership for their expenses, 
including

                                       -20-

<PAGE>

attorneys' fees, incurred in connection with the transfer or assignment. 

In the event of any such assignment or transfer, such Limited Partner's 
assignee or transferee shall be allocated the same Percentage of net income 
and net losses that the transferring Limited Partner would have been 
allocated had no such assignment or transfer been made; however, such 
assignee or transferee shall not become a substituted Limited Partner without 
the consent of the General Partner, which consent may be withheld in the 
absolute discretion of the General Partner.

    (b)  Each Limited Partner shall indemnify and hold harmless the 
Partnership, the General Partner and any Limited Partner who was or is a 
party to, or is threatened to be made a party to, any threatened, pending or 
completed action, suit or proceeding of any kind whatsoever, by reason of or 
arising from any actual or alleged misrepresentation or misstatement of facts 
or omission to state facts made or omitted to be made by such Limited Partner 
in connection with any assignment, transfer, encumbrance or other disposition 
of all or any part of an Interest in the Partnership, or the admission of a 
substituted Limited Partner to the Partnership, against expenses for which 
the Partnership, the General Partner or any such Limited Partner has not 
otherwise been reimbursed including, without limitation, reasonable 
attorneys' fees, judgments, fines and amounts paid in settlement, actually 
and reasonably incurred in connection with such action, suit or proceeding.

                                       -21-

<PAGE>

    6.4  ASSIGNEE OF TRANSFEREE BOUND BY THIS AGREEMENT.  The assignee or 
transferee of any Limited Partner's Interest shall be subject to all the 
terms, conditions, restrictions and obligations of this Agreement.  No 
transfer or assignment shall be recognized until and unless the transferee or 
assignee shall have so acknowledged in writing to the General Partner in a 
manner and form reasonably satisfactory to the General Partner.

    6.5  EFFECTIVE DATE OF TRANSFER.  Any assignment which is permitted 
hereunder shall be effective as of the close of the calendar month during 
which all required documentation is received by the General Partner. In 
addition to the conditions set forth above, an assignee, transferee, heir or 
legatee of a Limited Partner (to the extent of the Interest acquired from the 
Limited Partner) shall become a substituted Limited Partner as that term is 
used in the Act only upon the consent of the General Partner and upon the 
recording of an amended Certificate of Limited Partnership, if required under 
the Act.

    6.6  NONTRANSFERABILITY OF INTEREST OF A GENERAL PARTNER.  The General 
Partner shall not voluntarily resign or withdraw from the Partnership as 
General Partner without (i) obtaining the affirmative vote or written consent 
of the Limited Partners holding a majority of the Partnership Capital 
Percentages of all Limited Partners, (ii) providing at least one successor 
general partner (to whom the resigning General

                                       -22-

<PAGE>

Partner shall assign its Interest as General Partner in the Partnership) 
satisfactory to Limited Partners holding a majority of the Partnership 
Capital Percentages of all Limited Partners, and (iii) delivering to the 
Partnership an opinion of the Partnership's counsel that such resignation or 
withdrawal will not subject the Partnership to federal income taxation as an 
association taxable as a corporation.  Notwithstanding anything in this 
Agreement to the contrary, if the General Partner resigns or withdraws from 
the Partnership in a manner contrary to the foregoing, (i) its then existing 
capital account automatically shall be converted into a capital account which 
is subordinated to all debts and obligations of the Partnership and which 
shall be due and payable only upon termination of the Partnership and (ii) 
the General Partner shall not be entitled thereafter to share in any profits 
or losses of the Partnership or receive any distributions from the 
Partnership other than on liquidation.   In the event of the resignation or 
withdrawal by the General Partner, the Limited Partners shall elect whether 
to carry on the business of the Partnership with one or more substituted 
general partners.

    6.7  REMOVAL OR BANKRUPTCY OF GENERAL PARTNER.  If the General Partner is 
removed or becomes bankrupt, and the Partnership is not terminated, the 
General Partner's Interest shall be converted into a Class A Limited 
Partnership Interest with an equal Capital Account balance and equal

                                       -23-

<PAGE>

Partnership Capital Percentage, as though an additional Class A Limited 
Partner had been admitted to the Partnership.

                                   ARTICLE 7

                                PURCHASE OPTION


    7.1  GRANT OF OPTION.  Each Limited Partner hereby grants to the General 
Partner an irrevocable option to purchase all of such Limited Partner's 
Interest in the Partnership (the "Purchase Option").

    7.2  TIME FOR EXERCISE.  The Purchase Option may be exercised at any time 
during the period commencing on January 1, 1987 and expiring upon the 
dissolution of the Partnership.  The Purchase option with respect to any 
Limited Partner's Interest may be exercised only if the Purchase Option is 
exercised as to all Limited Partners' Interests.

    7.3  MANNER OF EXERCISE.  The General Partner may exercise the Purchase 
Option only by a notice of exercise to the Partnership and each Limited 
Partner (or his assignee or transferee), which notice shall specify a date 
(the "Closing Date"), no later than 30 days after the date of the notice, 
upon which the General Partner desires to consummate the purchase of the 
Limited Partners' Interests.

    7.4  PURCHASE PRICE; PAYMENT.  If the Agreed Capital Contributions of all 
Limited Partners are $16,750,000, the aggregate purchase price for the 
Limited Partners' Interests will be as follows: 

                                       -24-

<PAGE>

    If Exercised During                 Lump Sum Payment
    -------------------                 ----------------
    calendar year 1987                     $60,000,000
    calendar year 1988                     $90,000,000
    calendar year 1989 and thereafter     $120,000,000

less, in each case, an amount equal to all Excess Cash distributed to the 
Limited Partners by the Partnership; provided, however, that the lump sum 
payment to be made by the General partner upon any exercise after December 
31, 1989 shall in no event be less than $50,000,000.  Notwithstanding the 
foregoing, if the Agreed Capital Contributions of all Limited Partners are 
less than $16,750,000, each of the amounts set forth above shall be reduced 
proportionately. On the Closing Date, the General Partner will forward to 
each Limited Partner, by check, in United States dollars, such Limited 
Partner's proportionate share of the purchase price paid, based on such 
Limited Partner's Partnership Capital Percentage.

    7.5  TRANSFER OF TITLE.  On the Closing Date, upon payment by the General 
Partner of the purchase price, title to all of the Limited Partners' 
Interests automatically will be transferred to the General Partner without 
the necessity of any action an the part of any Limited Partner.

    7.6  RIGHTS OF ALZA DEVELOPMENT CORPORATION.  Notwithstanding anything 
else contained in this Agreement or any amendment of this Agreement, ALZA 
Development Corporation shall retain the right to exercise the Purchase 
Option even if it is no longer a general partner of the Partnership.

                                       -25-

<PAGE>

                                    ARTICLE 8

                                   TERMINATION

    8.1  TERMINATION.  The Partnership shall terminate upon the earliest of 
the following events to occur:

    (a)  January 31, 2004;

    (b)  the occurrence of a Terminating Event without the appointment of a 
successor general partner, as provided in Section 8.2;

    (c)  a vote of the Limited Partners as provided in Section 4.5; and

    (d)  a sale (by means other than the entering into one or more license 
agreements) by the Partnership of all or substantially all of its assets, 
unless the Partnership is continued by the vote or written consent of the 
Limited Partners as provided in Section 4.5.

    8.2  TERMINATING EVENT.  Upon the resignation, removal, withdrawal or 
bankruptcy of the General Partner ("Terminating Event"), the Partnership 
shall terminate unless the Limited Partners shall, within 90 days after the 
occurrence of the Terminating Event, elect a successor general partner by the 
vote required in Section 4.5.

    8.3  RIGHT TO DISSOLVE THE PARTNERSHIP.  Except as provided in this 
Article 8, no Partner shall have the right to cause the dissolution of the 
Partnership before the expiration of the term for which it is formed.

                                       -26-

<PAGE>

                                    ARTICLE 9

                              DISSOLUTION AND FINAL
                              DISTRIBUTION OF ASSETS


    9.1  WINDING UP THE PARTNERSHIP.  If the Partnership terminates, the 
Partnership immediately shall commence to wind up its affairs.  The assets of 
the Partnership shall be applied in the following order:

         (a)  Payment to creditors of the Partnership, other than 
     Partners, in the order of priority provided by law. In the 
     discretion of the General Partner, reserves may be established 
     to meet any contingent obligations or liabilities and, if and 
     when such contingencies shall cease to exist, any remaining 
     assets in such reserves shall be distributed as provided in 
     this   Section 9.1.

         (b)  Payment to each Limited Partner of any credit balance 
     in such Limited Partner's Capital Account.
     
         (c)  Payment to the General Partner of any credit balance 
     in its Capital Account or payment to the Limited Partners, in 
     proportion to their Partnership Capital Percentages, of the 
     total amount of any debit balance in the General Partner's 
     Capital Account.
     
         (d)  Payment to the Partners of any remaining assets in 
     proportion to their respective Partnership Capital Percentages.
     
                                       -27-

<PAGE>

A Limited Partner may, but shall not have the right to, receive property 
other than cash in return for such Limited Partner's capital contribution.

    9.2  GAINS OR LOSSES IN PROCESS OF LIQUIDATION.  Any gain or loss on 
disposition of Partnership properties in the process of liquidation shall be 
credited or charged to the Partners in the proportion of their interests in 
profits or losses as specified in Section 3.3.  Any property distributed in 
kind in the liquidation shall be valued and treated as though the property 
were sold and the cash proceeds were distributed.  The difference between the 
value of the property distributed in kind and its book value shall be treated 
as gain or loss on sale of the property and shall be credited or charged to 
the Partners in the proportions of their interests in income or losses as 
specified in Section 3.3.

    9.3.  WAIVER OF RIGHTS TO COURT DECREE OF DISSOLUTION.  The parties agree 
that irreparable damage would be done to the goodwill and reputation of the 
Partnership if any Partner should bring an action in court to dissolve the 
Partnership. Care has been taken in this Agreement to provide for fair and 
just Payment in liquidation of the interests of all Partners.  Accordingly, 
each party hereby waives and renounces his right to seek a court decree of 
dissolution or the appointment by the court of a liquidator for the 
Partnership.

    9.4  RETURN OF CAPITAL.  Except as provided in this Article 9, no Partner 
shall have the right to demand return of

                                       -28-

<PAGE>

the partner's Agreed Capital Contribution or distribution of any of the 
assets or income of the Partnership. Each Partner shall look solely to the 
assets of the Partnership for the return of the Partner's Agreed Capital 
Contribution; and, if the Partnership property remaining after the payment or 
discharge of its debts, liabilities or distributions is insufficient to 
return the Agreed Capital Contributions, the Partners shall have no recourse 
against the General Partner or any Limited Partner, except as provided in 
Section 4.4(c).

                                      ARTICLE 10

                                 MEETINGS OF PARTNERS

    10.1  MEETINGS.  Meetings of the Partnership may be called by the General 
Partner, or by Limited Partners holding more than ten percent of the 
Partnership Capital Percentages of all Partners, for matters upon which the 
Partners may vote as set forth in this Agreement. A list of the names and 
addresses of all Limited Partners shall be maintained as part of the books 
and records of the Partnership and shall be made available on request to the 
Limited Partners or their representatives at the requesting Partner's cost. 
Within ten days after receipt of a written request for a meeting stating the 
purpose of the meeting, the General Partner shall provide all Partners with a 
written notice setting forth (i) a date, not less than 15 nor more than 60 
days after the date of the notice, on which the meeting will

                                       -29-

<PAGE>

be held, (ii) the purpose of the meeting and (iii) the time and place of the 
meeting. In lieu of a meeting, the General Partner may submit proposed 
amendments to this Agreement to the Limited Partners for action by their 
written consent.

                                    ARTICLE 11

                                  MISCELLANEOUS

    11.1  COSTS.  The Partnership shall assume and pay all obligations and 
all reasonable costs and fees in connection with the organization of the 
Partnership and shall bear all expenses properly chargeable to the 
administration or operation of the Partnership or its business, the 
protection of Partnership assets or the carrying out of this Agreement or the 
purposes of the Partnership.

    11.2  HEADINGS.  Headings are inserted in this Agreement for convenience 
only and shall not be referred to in the interpretation of this Agreement.

    11.3  COUNTERPARTS; SIGNATURE PAGES.  This Agreement may be executed in 
counterparts each of which shall be deemed an original but all of which 
together shall constitute one and the same Agreement.  Any Partner executing 
a signature page of this Agreement shall be deemed to have executed a 
counterpart hereof.

    11.4  ENTIRE AGREEMENT.  This Agreement comprises the entire agreement 
between the parties hereto relating to the

                                       -30-

<PAGE>

rights and obligations of the General Partner and Limited Partners, 
respectively.

    11.5  NOTICES.  Any notice, request or other communication shall be in 
writing and shall be deemed duly given if personally delivered or if mailed 
by registered or certified mail if in the United States and air mail if 
outside the United States, return receipt requested (in the United States), 
postage prepaid, to the Partnership at its principal place of business and to 
any Partner at the address shown from time to time on Schedule A. The 
Partnership or any Partner may change the address to which notice may be 
given or any other communication sent by serving notice of such change of 
address upon the Partnership (or upon the other Partners if the Partnership 
is the one giving notice) in the manner herein specified.  Any notice given 
in conformity with this Section 11.5 shall be effective when delivered, if 
delivered personally, and five days after mailing, if mailed.

    11.6  APPLICABLE LAW.  This Agreement shall be governed by and construed 
in accordance with the laws of the State of California as applied between 
residents of that state entering into contracts wholly to be performed in 
that state.

    11.7  SUCCESSORS AND ASSIGNS.  Except as herein provided to the contrary, 
this Agreement shall be binding upon and shall inure to the benefit of the 
parties and their respective heirs, administrators, executors, distributees, 
successors and permitted assigns.

                                       -31-

<PAGE>

    11.8  AUTHORIZATION; POWER OF ATTORNEY.  Each of the Limited Partners 
irrevocably constitutes and appoints ALZA Development Corporation, the 
General Partner of ALZA TTS Research Partners, Ltd., with full power of 
substitution, the true and lawful attorney for such Limited Partner and in 
such Limited Partner's name, place and stead to make, execute, sign, 
acknowledge, swear to, deliver, record and file any documents or instruments 
which may be considered necessary or desirable by the General Partner to 
carry out fully the provisions of this Agreement including, without 
limitation, (i) an amendment or amendments of this Agreement and the 
Certificate of Limited Partnership of the Partnership for the purpose of 
adding such Limited Partner and other persons as Limited Partners of the 
Partnership as contemplated by this Agreement, (ii) other amendments of this 
Agreement and the Certificate of Limited Partnership or cancellation of the 
same and (iii) documents necessary or desirable for the consummation of the 
purchase of the Limited Partners' interests under the Purchase Option.  The 
power of attorney hereby granted shall be deemed to be coupled with an 
interest, shall be irrevocable and shall survive the death, incapacity, 
insolvency, dissolution or termination of

                                       -32-

<PAGE>

such Limited Partner or any transfer or assignment of all or any portion of 
such Limited Partner's Interest.

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

General Partner:                     Initial Class A Limited 
                                     Partner:

ALZA DEVELOPMENT CORPORATION



By /s/ Peter F. Carpenter             /s/ Mary M. Roensch
  ------------------------------     --------------------------
Peter F. Carpenter, President            Mary M. Roensch








                                       -33-

<PAGE>

                                    Schedule I


Research and Development Agreement dated December 30, 1982 between ALZA TTS 
Research Partners, Ltd. and ALZA Corporation.

Technology License Agreement dated December 30, 1982 between ALZA TTS 
Research Partners, Ltd. and ALZA Corporation

Option Agreement dated December 30, 1982 between ALZA TTS Research Partners, 
Ltd. and ALZA Corporation 

Distribution Agreement dated as of December 30, 1982 among ALZA TTS Research 
Partners, Ltd.,  ALZA Corporation and Stada Arzneimittel AG


<PAGE>

                                     SCHEDULE A
<TABLE>
<CAPTION>

                       Class of                                 Agreed Capital   
Name                   Partner             Address               Contribution 
- -----                  --------            -------              --------------
<S>                   <C>              <C>                     <C>
ALZA                   General         950 Page Mill Road      1% of the aggregate capital  
Development            Partner         Palo Alto, CA 94304     contributions of all         
Corporation                            Attention: President    Partners                     


Mary M.                Class A         2178 Spanishgate        $990
Roensch                Limited           Court
                       Partner         San Jose, CA 95132 



</TABLE>


<PAGE>

                                                            Exhibit 4.2

RECORDING REQUESTED BY
AND WHEN RECORDED MAIL TO:

Heller, Ehrman, White & McAuliffe
44 Montgomery Street
San Francisco, California 94104

Attention:  Virginia Lim, Esq.


                         CERTIFICATE OF LIMITED PARTNERSHIP
                         ----------------------------------

     WE, THE UNDERSIGNED, ALZA DEVELOPMENT CORPORATION ("General Partner") 
and MARY M. ROENSCH ("Initial Limited Partner") desire to form a limited 
partnership (the "Partnership") pursuant to the California Uniform Limited 
Partnership Act, and do hereby certify in accordance with the provisions of 
California Corporations Code Section 15502(1)(a) that:

                                        I

     The name of the Partnership is ALZA TTS RESEARCH PARTNERS, LTD.

                                        II

     The character of the business is to develop, obtain regulatory approval 
for, license, manufacture and market pharmaceutical products combining 
transdermal therapeutic systems technology with selected drug compounds.

                                       III

     The location of the principal place of business of the Partnership 
initially shall be 950 Page Mill Road,



<PAGE>

Palo Alto, California 94304, and thereafter such other place or places as the 
General Partner may from time to time determine.

                                        IV

     The class, name and place of residence of each partner ("Partner") of 
the Partnership is set forth on Schedule A attached hereto and incorporated 
herein by this reference.  The Partnership shall have two classes of limited 
partners ("Limited Partners"):  Class A Limited Partners and a Class B 
Limited Partner.

                                        V

     The Partnership shall continue until January 31, 2004 unless sooner 
terminated upon the occurrence of any one or more of the following events:

     (a)  the resignation, removal, withdrawal or bankruptcy of the General 
Partner, unless the Limited Partners elect, within 90 days thereafter, to 
carry on the business of the Partnership and elect a successor General 
Partner by the affirmative vote or written consent of a majority of the 
Partnership Capital Percentages of the Limited Partners;

     (b)  the affirmative vote or written consent of a majority of the 
Partnership Capital Percentages of the Limited Partners voluntarily to 
dissolve the Partnership, but only after all of the capital contributions of 
the Partners, and any interest or other income earned on temporary 
investments thereof, have been expended;

                                       -2-

<PAGE>


     (c)  the sale (by means other than entering into of one or more license 
agreements) by the Partnership of all or substantially all of its assets; or

     (d)  the Partnership is terminated by operation of law or judicial 
decree.

     "Partnership Capital Percentage" is the proportion that the amount of 
each Partner's Capital Contribution (the amount each Partner has agreed to 
contribute to the capital of the Partnership) bears to the total of all 
Partners' Agreed Capital Contributions.

                                       VI

     The amount of cash contributed by each Partner is set forth on Schedule 
A.  The General Partner is authorized to admit additional Class A Limited 
Partners and a Class B Limited Partner (see Article XI below) and shall 
prepare an amended Schedule A which sets forth the name, address and capital 
contribution of each Partner.

                                       VII

     The General Partner may not require any Limited Partner to make 
additional contributions to the capital of the Partnership.

                                       VIII

     The contribution of the Initial Class A Limited Partner shall be 
returned to her without interest or deduction

                                       -3-

<PAGE>

on the date of the admission of any additional Class A Limited Partner, and 
her interest in the Partnership thereupon shall be terminated.  The capital 
contribution of all other Limited Partners shall be returned only upon the 
dissolution of the Partnership.

                                       IX

     Net losses of the Partnership will be allocated as follows:

     (i)  first, 99% to the Class A Limited Partners in proportion to their 
respective Partnership Capital Percentages as set forth from time to time on 
Schedule A (provided however, that no such allocation shall reduce their 
respective capital accounts below zero) and one percent to the General 
Partner;

     (ii)  then, if the capital accounts of all of the Class A Limited 
Partners have been reduced to zero, 99% to the Class B Limited Partner 
(provided however, that no such allocation shall reduce its capital account 
below zero), and one percent to the General Partner; and

     (iii)  thereafter, if the capital account of the Class B Limited Partner 
has been reduced to zero, 100% to the General Partner. 

Net income of the Partnership will be allocated to the Partners to the extent 
of, in proportion to and in the inverse order of net losses previously 
allocated; thereafter, to the Partners


                                       -4-

<PAGE>

in proportion to their respective Partnership Capital Percentages.

     As soon as practicable after the close of each calendar quarter, the 
General Partner shall distribute Excess Cash to the Partners in proportion to 
their respective Partnership Capital Percentages.  "Excess Cash" is defined 
as all cash funds received by the Partnership in such quarter (other than 
funds received as capital contributions and interest or other income earned 
on temporary investments thereof) less the sum of all amounts expended during 
such quarter by the General Partner in the conduct of the Partnership's 
business and such working capital or other reserves or amounts that the 
General Partner determines in its sole discretion are necessary or 
appropriate for Partnership operations and obligations.

     Upon any dissolution or termination of the Partnership, the proceeds 
from the sale of assets available for distribution to the Partners shall be 
distributed in accordance with Section 9.1 of the Agreement of Limited 
Partnership, which provides, in part, as follows:

     9.1  WINDING UP THE PARTNERSHIP.  If the Partnership terminates, the 
Partnership immediately shall commence to wind up its affairs.  The assets of 
the Partnership shall be applied in the following order:

          (a)  Payment to creditors of the Partnership, other than 
      Partners, in the order of priority provided by law. In the discretion
      of the General Partner, reserves may be established to meet any 
      contingent obligations or liabilities and, if and


                                       -5-

<PAGE>


      when such contingencies shall cease to exist, any remaining assets in 
      such reserves shall be distributed as provided in this Section 9.1.

          (b)  Payment to each Limited Partner of any credit balance in 
      such Limited Partner's Capital Account.

          (c)  Payment to the General Partner of any credit balance in its 
      Capital Account or payment to the Limited Partners, in proportion to 
      their Partnership Capital Percentages, of the total amount of any debit 
      balance in the General Partner's Capital Account.

          (d)  Payment to the Partners of any remaining assets in 
      proportion to their respective Partnership Capital Percentages.


                                       X

     The right of a Limited Partner to substitute an assignee in his place 
and the terms and conditions of such substitution are set forth in Article 6 
of the Agreement of Limited Partnership, the applicable sections of which 
provide as follows:

     6.1  TRANSFER OF INTERESTS.  The Partnership Interest of a Partner shall 
not be sold, assigned, transferred or encumbered, except as provided in this 
Agreement.  A Partner's "Interest" shall refer to the entire ownership 
interest of the Partner in the Partnership, including the right of such 
Partner to any and all benefits to which such Partner may be entitled as 
provided in this Agreement, together with the obligations of such Partner to 
comply with all of the terms hereof.  Any purported transfer or assignment 
made other than in accordance with this Agreement shall be null and void and 
of no force and effect, at the option of the General Partner.  No transfer or 
assignment to a minor (except in trust or pursuant to the Uniform Gifts to 
Minors Act) shall be effective.

                                       -6-

<PAGE>

     6.2  DEATH OR INCOMPETENCE OF CLASS A LIMITED PARTNER.  Subject to the 
provisions of Sections 6.4 and 6.5 and the General Partner's option described 
in Article 7, the personal representative or other successor of a deceased or 
incompetent Class A Limited Partner shall succeed to the Interest of a Class 
A Limited Partner after such representative or successor shall have submitted 
to the General Partner certified copies of court orders, or other evidence 
satisfactory to the General Partner, establishing such incompetence or death 
and the authority of such personal representative or successor; however, such 
representative or successor shall not become a substituted Limited Partner 
without the consent of the General Partner, which consent may be withheld in 
the absolute discretion of the General Partner.

     6.3  SALE OR TRANSFER OF INTEREST OF A LIMITED PARTNER.

          (a)  Subject to any restrictions on transferability required by 
law, the provisions of Sections 6.4 and 6.5 hereof and the General Partner's 
option described in Article 7 hereof, any Limited Partner may assign or 
otherwise transfer such Limited Partner's Interest in the Partnership, 
provided:

               (i)  the transfer of a Class A Limited Partner's Interest 
     is in an increment of $5,000 of Agreed Capital Contribution, and the 
     transfer by the Class B Limited Partner is of its entire Interest;

              (ii)  with respect to a Class A Limited Partner's Interest, 
     the assignee or transferee meets all requirements set forth in the 
     Prospectus applicable to additional Class A Limited Partners;

             (iii)  the General Partner consents in writing to such 
     assignment or transfer, which consent shall be withheld and may only be 
     withheld if such assignment or transfer (a) does not satisfy subparagraph 
     (ii) above, (b) would jeopardize the status of the Partnership for 
     federal income tax purposes, or (c) would violate, or cause the 
     Partnership to violate, any applicable law or governmental rule or 
     regulation, including without limitation, any applicable federal or 
     state securities law;

              (iv)  if requested by the General Partner, an opinion from 
     counsel for the Partnership is delivered to the General Partner stating 
     that, in the opinion of


                                       -7-

<PAGE>


     such counsel, such transfer or assignment will not violate or cause the
     Partnership to violate, any applicable law or governmental rule or 
     regulation including, without limitation, any applicable federal or 
     state securities law;

               (v)  the full Agreed Capital Contribution of the assignor or 
     transferor has been paid; and

              (vi)  prior to the transfer or assignment, the assignor or 
     transferor reimburses the General Partner and the Partnership for their 
     expenses, including attorneys' fees, incurred in connection with the 
     transfer or assignment.

In the event of any such assignment or transfer, such Limited Partner's 
assignee or transferee shall be allocated the same percentage of net income 
and net losses that the transferring Limited Partner would have been 
allocated had no such assignment or transfer been made; however, such 
assignee or transferee shall not become a substituted Limited Partner without 
the consent of the General Partner, which consent may be withheld in the 
absolute discretion of the General Partner.

          (b)  Each Limited Partner shall indemnify and hold harmless the 
Partnership, the General Partner and any Limited Partner who was or is a 
party to, or is threatened to be made a party to, any threatened, pending or 
completed action, suit or proceeding of any kind whatsoever, by reason of or 
arising from any actual or alleged misrepresentation or misstatement of facts 
or omission to state facts made or omitted to be made by such Limited Partner 
in connection with any assignment, transfer, encumbrance or other disposition 
of all or any part of an Interest in the Partnership, or the admission of a 
substituted Limited Partner to the Partnership, against expenses for which 
the Partnership, the General Partner or any such Limited Partner has not 
otherwise been reimbursed including, without limitation, reasonable 
attorneys' fees, judgments, fines and amounts paid in settlement, actually 
and reasonably incurred in connection with the action, suit or proceeding.

     6.4   ASSIGNEE OR TRANSFEREE BOUND BY THIS AGREEMENT.  The assignee or 
transferee of any Limited Partner's Interest shall be subject to all the 
terms, conditions, restrictions and obligations of this Agreement.  No 
transfer or assignment shall be recognized until and unless the transferee or 
assignee shall have so acknowledged in writing to the General Partner in a 
manner and form reasonably satisfactory to the General Partner.

                                       -8-


<PAGE>

     6.5  EFFECTIVE DATE OF TRANSFER.  Any assignment which is permitted 
hereunder shall be effective as of the close of the calendar month during 
which all required documentation is received by the General Partner.  In 
addition to the conditions set forth above, an assignee, transferee, heir or 
legatee of a Limited Partner (to the extent of the Interest acquired from the 
Limited Partner) shall become a substituted Limited Partner as that term is 
used in the Act only upon the consent of the General Partner and upon the 
recording of an amended Certificate of Limited Partnership, if required under 
the Act.

                                       XI

     The General Partner may admit additional Class A Limited Partners if, 
after the admission of such additional Class A Limited Partners, the 
aggregate contribution of all of the Class A Limited Partners (excluding the 
Initial Class A Limited Partner) would not be less than $12,000,000 or more 
than $16,000,000.  Each additional Class A Limited Partner must make a 
minimum capital contribution of $5,000.

     The General Partner may admit one Class B Limited Partner who will make 
an Agreed Capital Contribution of $750,000 to the Partnership.

     The General Partner has an option, beginning on January 1, 1987 and 
expiring ninety days after the dissolution of the Partnership, to purchase 
the Partnership interests of all of the Limited Partners as a group.  The 
General Partner shall pay, upon exercise of the option, a purchase price 
calculated as follows:

                                       -9-

<PAGE>

    7.4  PURCHASE PRICE; PAYMENT.

    If the Agreed Capital Contributions of all Limited Partners are 
$16,750,000, the aggregate purchase price for the Limited Partners' Interests 
will be as follows:

     If Exercised During                     Lump Sum Payment
     -------------------                     ----------------
     calendar year 1987                         $ 60,000,000
     calendar year 1988                         $ 90,000,000
     calendar year 1989 and thereafter          $120,000,000

less, in each case, an amount equal to all Excess Cash distributed to the 
Limited Partners by the Partnership; provided, however, that the lump sum 
payment to be made by the General Partner upon any exercise after December 
31, 1989 shall in no event be less than $50,000,000.  Notwithstanding the 
foregoing, if the Agreed Capital Contributions of all Limited Partners are 
less than $16,750,000, each of the amounts set forth above shall be reduced 
proportionately.  On the Closing Date, the General Partner will forward to 
each Limited Partner, by check, in United States dollars, such Limited 
Partner's proportionate share of the purchase price paid, based on such 
Limited Partner's Partnership Capital Percentage.

                                      XII

     Net losses and net income shall be allocated as described in Article IX 
above.

                                     XIII

     The Partnership shall be dissolved on the date on which the General 
Partner resigns, is removed or is adjudicated a bankrupt unless the Limited 
Partners elect a successor General Partner by the vote or written consent of 
a majority of the Partnership Capital Percentage of all Limited Partners.

                                      -10-

<PAGE>

                                       XIV

     A Limited Partner may, but shall not have the right to, receive property 
other than cash in return for such Limited Partner's contribution.

                                        XV

     (a)  The Limited Partners have the right to vote on the matters 
described in Section 15507(b) of the California Corporations Code and the 
Partnership matters listed below.  Limited Partners holding a majority of 
Partnership Capital Percentages of all Limited Partners as a group must vote or 
consent to take any of the actions listed.

          1.  To amend the Partnership Agreement.

          2.  To consent to the resignation of the General Partner.

          3.  If and to the extent permitted by law, to elect, within 90 days 
     after the occurrence of a "Terminating Event", to carry on the business 
     of the Partnership with one or more substitute general partners.  A 
     Terminating Event shall mean the resignation, removal, withdrawal or 
     bankruptcy of the General Partner.

          4.  To elect a new general partner after the occurrence of a 
     Terminating Event.

          5.  To terminate the Partnership (other than by a Terminating Event 
     or at the expiration of its term); provided, however, that such right 
     shall exist only after all capital contributions to the Partnership by 
     the Limited Partners (including all interest or other income earned on 
     temporary investments thereof) have been expended.

          6.  To remove the General Partner.

          7.  To approve the sale (by means other than the entering into of 
     one or more license agreements) of all or substantially all of the 
     assets of the Partnership.

                                     -11-

<PAGE>

          8.  To approve the sale of the Partnership interest of the General 
     Partner.

     Dated:   December 30, 1982.

                                        THE GENERAL PARTNER

                                        ALZA Development Corporation


                                        By  /s/ Peter F. Carpenter
                                          ---------------------------------
                                           Peter F. Carpenter, President




                                        THE INITIAL CLASS A LIMITED PARTNER


                                        /s/ Mary M. Roensch
                                          ---------------------------------
                                            Mary M. Roensch


                                   -l2-


<PAGE>

                                 SCHEDULE A
                                 -----------

                         MEMBERS OF  THE PARTNERSHIP
                         ----------------------------
<TABLE>
<CAPTION>

                                                          Partnership
                      Name and Place        Capital         Capital
Class                 of Residence        Contribution    Percentage
- -----                 --------------      ------------    -----------
<S>                   <C>                  <C>             <C>
General Partner       ALZA Development         $ 10             1%
                        Corporation
                      950 Page Mill Road
                      Palo Alto, CA  94304

Initial Class A       Mary M. Roensch          $990            99%
Limited Partner       2178 Spanishgate Court
                      San Jose, CA  95132

</TABLE>

<PAGE>


STATE OF CALIFORNIA              )
                                 )  ss.
CITY AND COUNTY OF SAN FRANCISCO )


     On December 30, 1982, before me, Sharon Ryan, a Notary Public in 
and for said County and State, personally appeared Peter F. Carpenter, known 
to me to be the President of the corporation that executed the within 
instrument, known to me to be the person who executed the within instrument 
on behalf of the corporation therein named, and acknowledged to me that such 
corporation executed the within instrument pursuant to its by-laws or a 
resolution of its board of directors.

     IN WITNESS WHEREOF, I have hereunto set my hand and affixed my official 
seal in the City and County of San Francisco the day and year in this 
certificate above written.

                                             /s/ Sharon Ryan
                                             -------------------------------
                                             Notary Public
                                             State of California


<PAGE>

STATE OF CALIFORNIA                 )
                                    )  ss.
CITY AND COUNTY OF SAN FRANCISCO    )

     On this 30th day of December, 1982, before me, Sharon Ryan, a Notary 
Public, State of California, duly commissioned and sworn, personally appeared 
Mary M. Roensch, known to me to be the person whose name is subscribed to the 
within instrument and acknowledged to me that she executed the same.

     IN WITNESS WHEREOF, I have hereunto set my hand and affixed my official 
seal in the City and County of San Francisco the day and year in this 
certificate above written.

                                              /s/ Sharon Ryan
                                              -------------------------------
                                              Notary Public
                                              State of California


<PAGE>

                                                                  Exhibit 10.1


                       RESEARCH AND DEVELOPMENT AGREEMENT


          AGREEMENT made this 30th day of December, 1982, by and between ALZA
CORPORATION, a California corporation (the "Contractor"), and ALZA TTS RESEARCH
PARTNERS, LTD., a California limited partnership (the "Partnership").

                               R E C I T A L S:
                               - - - - - - - -

          A.   The Partnership is a limited partnership organized for the
purpose of developing and commercializing pharmaceutical products that combine
Transdermal Therapeutic Systems with Drug Candidates.

          B.   Contractor is engaged in the business of research and development
in connection with Transdermal Therapeutic Systems technology.

          C.   The Partnership desires to pursue the development and commercial
exploitation of Products utilizing Transdermal Therapeutic Systems technology.

          D.   The Partnership desires to have Contractor perform, on behalf of
the Partnership, research and development activities in connection with
Products.

          NOW, THEREFORE, the parties agree as follows:

          1.   DEFINITIONS
               1.1  "Affiliate" shall mean a corporation or any other entity
that directly, or indirectly through one or

<PAGE>


more intermediaries, controls, is controlled by, or is under common control 
with, the designated party.  "Control" shall mean ownership of at least 50% 
of the shares of stock entitled to vote for the election of directors in the 
case of a corporation, and at least 50% of the interests in profits in the 
case of a business entity other than a corporation.

               1.2  "ALZA Proprietary Rights" shall mean Proprietary Rights 
of Contractor to the extent now or hereafter owned and controlled by 
Contractor and which ALZA has or will have the right to license.

               1.3  "Class B Limited Partner" shall mean Stada Arzneimittel 
AG, the sole Class B Limited Partner of the Partnership.

               1.4  "Completion" of a Product shall mean the actual reduction 
to practice of a Product within the meaning of Section 102(g) of Title 35 of 
the United States Code.  "Completion of all Products" shall mean such actual 
reduction to practice of all Products.

               1.5  "Development Cost(s)" shall mean Contractor's Direct 
Expenses and Indirect Charges (as defined in Schedule A hereof) and all other 
expenses incurred by Contractor in the performance of its duties hereunder, 
determined in accordance with Schedule A hereof.

                                        
                                       -2-
<PAGE>

               1.6  "Drug Candidate" shall mean drug compounds selected for a 
Feasibility Evaluation or Product Development Program in accordance with this 
Agreement.  Drug Candidates shall be listed on Schedule B hereof, which 
schedule may be modified from time to time by written agreement between the 
parties.

               1.7  "Feasibility Evaluation" shall mean a project to be 
carried out by Contractor on behalf of the Partnership for the evaluation of 
the economic and technical feasibility of development of a Drug Candidate 
into a Product Candidate, as described in the Prospectus.

               1.8  "General Partner" shall mean ALZA Development Corporation.

               1.9  "Licensed Technology" shall mean ALZA Proprietary Rights 
existing during the term of this Agreement which are necessary or useful for 
the development, manufacture, commercialization or sale of Products.

               1.10 "Nonproprietary" shall mean not covered by a patent in 
the United States on December 31, 1983.

               1.11 "Option Agreement" shall mean the Option Agreement 
between Contractor and the Partnership of even date herewith.

               1.12 "Partnership Technology" shall mean (i) Proprietary 
Rights that are generated, developed,

                                       -3-
<PAGE>


conceived or first reduced to practice by Contractor for or on behalf of the 
Partnership under this Agreement, but solely to the extent such Proprietary 
Rights are required for the purposes hereunder or are necessary to make, use, 
commercialize and sell Products and (ii) such other rights relating to 
Products and Product Candidates as may be acquired by the Partnership from 
persons other than Contractor and relating to the subject matter of this 
Agreement.

               1.13 "Product" shall mean a Product Candidate designated by 
the Partnership for Final Product Development under a Product Development 
Program in accordance with Section 2.7 hereof.

               1.14 "Product Candidate" shall mean a Transdermal Therapeutic 
System in combination with a Drug Candidate accepted by the Partnership for 
Initial Product Development pursuant to Section 2.3 or 2.4 hereof.  Such 
accepted Product Candidates shall be listed on Schedule C hereof, which 
schedule may be modified from time to time by written agreement between the 
parties.

               1.15 "Product Development Program" shall mean a program to be 
carried out by Contractor on behalf of the Partnership to develop a Drug 
Candidate into a Product and shall include the two stages of development, 
"Initial Product Development and Final Product Development", each as 
described in the Prospectus.

               1.16 "Proprietary Rights" shall mean data, inventions,
information, processes, know-how, patents, patent applications and trade
secrets.

                                       -4-

<PAGE>

               1.17 "Prospectus" shall mean the prospectus included in
Registration Statement No. ________________ filed with the Securities and
Exchange Commission.

               1.18 "Technology License Agreement" shall mean that certain
Technology License Agreement of even date herewith between Contractor and the
Partnership.

               1.19 "Therapeutic Categories" shall mean the therapeutic
categories of pharmaceutical products listed in Schedule E hereof.

               1.20 "Total Funds" shall mean the sum of (a) net proceeds from
the sale by the Partnership of the Class A limited partnership interests as
described in the Prospectus; (b) the General Partner's and the Class B Limited
Partner's capital contributions to the Partnership as described in the
Prospectus; and (c) interest and other income earned through temporary
investment of Partnership funds pending their application to Partnership
business; less (d) all necessary or appropriate expenses of operating (other
than amounts paid under this Agreement), winding up and liquidating the
Partnership, including reasonable reserves for present and future obligations,
the amount of which may be determined from time to time by the Partnership in
its sole and absolute discretion.

               1.21 "Transdermal Therapeutic System" shall mean a system for the
continuous and controlled systemic administration of a drug compound through
intact skin.


                                       -5-
<PAGE>


          2.   FEASIBILITY EVALUATIONS AND PRODUCT DEVELOPMENT PROGRAMS

               2.1  Within 30 days after the closing of the offering described
in the Prospectus, Contractor shall provide the Partnership with a list of at
least 20 Nonproprietary drug compounds within the Therapeutic Categories that
Contractor recommends for Feasibility Evaluation by the Partnership.  From time
to time during the term of this Agreement, Contractor may recommend to the
Partnership for Feasibility Evaluation additional Nonproprietary drug compounds
within the Therapeutic Categories, in which case such drug compounds will be
treated in the same manner as those on the initial list.

               2.2  Upon the written request of the Partnership, Contractor
shall submit to the Partnership, on a Development Cost basis and at the expense
of the Partnership, either of the following:

                    (a)  an estimate of the activities necessary to carry out a
     Feasibility Evaluation for any of the listed drug compounds designated by
     the Partnership, including an estimated work plan and budget therefor; or

                    (b)  an estimate of the activities necessary to carry out a
     Product Development Program for a Product based upon such drug compound,
     including an estimated work plan and budget therefor.


                                       -6-
<PAGE>

               2.3  Within 60 days after submission by Contractor to the
Partnership of a Feasibility Evaluation or Product Development Program in
accordance with Section 2.2 hereof, the Partnership shall notify Contractor in
writing of its acceptance or rejection thereof.

               2.4  Upon acceptance of a Feasibility Evaluation as provided in
Section 2.3 hereof, the drug compound shall be listed on Schedule B as a Drug
Candidate, and Contractor shall perform or cause to be performed with due
diligence all activities thereunder.  Within 60 days after Contractor notifies
the Partnership of the completion and results of the Feasibility Evaluation for
any Drug Candidate, the Partnership shall notify Contractor of its written
acceptance or rejection of the Drug Candidate for futher development.  If the
Drug Candidate is accepted by the Partnership, Contractor shall submit to the
Partnership a Product Development Program therefor.

               2.5  Upon acceptance of a Product Development Program by the
Partnership pursuant to either Section 2.3 or Section 2.4 hereof, the Drug
Candidate so accepted will become a Product Candidate and will be listed on
Schedule C hereof, and Contractor or its employees or agents shall perform or
cause to be performed with due diligence all Initial Product Development
activities under the Product Development Program.

               2.6  If the Partnership initially rejects any Drug Candidate or
fails to notify Contractor in accordance with


                                       -7-

<PAGE>

Section 2.3 or 2.4, the Partnership may, at any time during the term of this
Agreement, request Contractor to perform a Feasibility Evaluation or Product
Development Program for such Drug Candidate, all in accordance with this Section
2.

               2.7  Upon the completion of the Initial Product Development for
any Product Candidate, Contractor shall so notify the Partnership.  At any time
thereafter during the term of this Agreement, the Partnership may authorize
Contractor to begin Final Product Development for the Product Candidate.  Upon
such request by the Partnership, the Product Candidate shall become a Product
and shall be listed on Schedule D hereof.

               2.8  From time to time hereunder Contractor may, in its absolute
discretion, propose that the Partnership consider for a Feasibility Evaluation
or Product Development Program a drug compound that either is (i) not within one
of the Therapeutic Categories or (ii) not a Nonproprietary drug compound;
provided, however, that Contractor shall be under no obligation to do so.  If
Contractor makes any such proposal, the Feasibility Evaluation or Product
Development Program therefor will be subject to and undertaken in accordance
with this Section 2, and, if the drug compound is accepted by the Partnership
for a Feasibility Evaluation or Product Development Program, it shall be listed
on the appropriate schedules hereof and shall become a Drug Candidate, Product
Candidate or Product, as the case may be.

                                       -8-

<PAGE>

Notwithstanding any other provision of this Agreement, if the Partnership
rejects such drug compound or fails to notify Contractor in accordance with
Section 2.3 or Section 2.4 hereof, the drug compound shall be deemed rejected by
the Partnership and the Partnership shall have no further rights (i) with
respect thereto or to any product of which it is or may become a part or (ii) to
request at a later date a Feasibility Evaluation or Product Development Program
for such drug compound.

               2.9  If the Partnership authorizes a Product Development Program
for any Product Candidate and later determines not to complete development
thereof for any reason, the Partnership immediately shall so notify Contractor.

          3.   RESEARCH AND DEVELOPMENT; SERVICES; BUDGETS

               3.1  The Partnership hereby hires Contractor to perform all
research, development and experimentation to develop Products in accordance with
this Agreement and to undertake such other activities as the parties may agree. 
The Partnership and Contractor shall cooperate in good faith with respect to
mutually acceptable work plans and budgets for Feasibility Evaluations and
Product Development Programs and for such other activities as the parties may
agree.  Each party shall use its best efforts and diligence to execute such work
plans and to report significant deviations therefrom in a timely manner. 
Contractor shall use its best efforts to obtain on behalf of and at the expense
of the Partnership any patent or technology

                                       -9-

<PAGE>

license necessary to enable the Partnership or any licensee or assignee
commercially to exploit Products.

               3.2  The parties recognize that technological and commercial
uncertainties make it extremely difficult to predict the relative priorities
that should be assigned to Feasibility Evaluations and Product Development
Programs. For this reason, Contractor shall have full discretion, subject to
Section 2 hereof, to determine from time to time (i) the priority of Feasibility
Evaluations and Product Development Programs and the order in which they are
selected for commencement and completion; (ii) the allocation of resources of
Contractor (facilities, equipment and personnel) that are available to the
Partnership for each Feasibility Evaluation and Product Development Program; and
(iii) the portion of Total Funds allocated to each Feasibility Evaluation and
Product Development Program.

               3.3  The portion of Total Funds agreed upon by the parties as
available under the work plans and budgets for each Feasibility Evaluation and
Product Development Program shall be set forth on Schedule F, which may be
modified by the parties from time to time.

          4.   PAYMENT FOR SERVICES; TIMING OF PAYMENTS

               4.1  In consideration of the work to be carried out by Contractor
hereunder, the Partnership shall reimburse Contractor for all of its Development
Costs, but not in excess of Total Funds.


                                      -10-

<PAGE>

               4.2  The Partnership shall pay to Contractor quarterly, in
advance, on a calendar-year basis (prorated for partial periods), an amount
equal to Contractor's estimate of the portion of Development Costs expected to
be paid or incurred by Contractor during such next quarter.  Such estimate shall
be set forth in an invoice prepared by Contractor in reasonable detail and
submitted to the Partnership at least 15 business days prior to the beginning of
each quarter.  Each such invoice shall be paid in full by the Partnership no
later than 15 days thereafter.  Each invoice also shall include any anticipated
adjustments for the quarter in which it is delivered to reflect Development
Costs already incurred in the quarter and those anticipated to be incurred in
the remainder of the quarter.

               4.3  Within 45 days after the end of each calendar quarter, the
Partnership shall pay to Contractor all amounts shown to be due to Contractor on
the report for such quarter described in Section 5.1.

               4.4  Neither the Partnership nor Contractor makes any warranty,
express or implied, that Total Funds will be sufficient for Completion of all
Products; however, the parties acknowledge that the objective of this Agreement
is to use Total Funds for the Completion of an estimated four to six Products if
Total Funds are in excess of $16,000,000, and proportionately fewer Products if
Total Funds are less than $16,000,000.


                                      -11-

<PAGE>

          5.   REPORT AND RECORDS

               5.1  Within 30 days after the end of each calendar quarter,
Contractor shall provide to the Partnership a reasonably detailed report setting
forth (a) all Development Costs incurred and paid during such quarter, and all
such amounts owed by or credited to the Partnership; (b) the work performed by
Contractor and its employees and agents during such quarter; and (c) the status
of all Feasibility Evaluations and the Product Development Programs at the end
of the quarter.

               5.2  Within 60 days after the end of each calendar year,
Contractor shall provide to the Partnership a reasonably detailed report setting
forth and reconciling all Development Costs during the year.

               5.3  Within 90 days after the termination of this Agreement,
Contractor shall provide to the Partnership a reasonably detailed final report
setting forth a reconciliation of all Development Costs paid by the Partnership
through the termination of this Agreement.

               5.4  Contractor shall keep and maintain, in accordance with
generally accepted accounting principles, proper and complete records and books
of account documenting all Development Costs.  The Partnership shall have the
right, at all reasonable times and at its own expense, to examine or to have
examined by a certified public accountant or similar person reasonably
acceptable to Contractor, pertinent books and records of Contractor, for the
sole purpose of determining the


                                      -12-

<PAGE>

correctness of Development Costs invoiced hereunder.  Such examination with
respect to any quarterly accounting period hereunder shall take place not later
than two years following the expiration of such period.

          6.   LICENSE OF TECHNOLOGY

               6.1  The Partnership hereby grants to Contractor a sublicense to
practice Licensed Technology and a license to practice Partnership Technology
solely for purposes of performing its duties hereunder.

               6.2  Termination of the license granted under the Technology
License Agreement automatically shall terminate the license and sublicense
granted to Contractor under this Agreement.

          7.   OWNERSHIP AND PATENTS

               7.1  Subject to the Option Agreement, the Partnership shall have
the full and exclusive right, title and interest in and to all Partnership
Technology and all physical manifestations or embodiments thereof including,
without limitation, all documents, records, notebooks, writings, engineering and
manufacturing information, schematics, product samples and specifications which
result under either a Feasibility Evaluation or a Product Development Program
carried out for or by the Partnership.  There shall, however, be excluded from
the foregoing and specifically retained by Contractor all of the right, title
and interest in and to all Proprietary Rights generated, developed, conceived or
first reduced to practice during the term of this Agreement and not included
within Partnership Technology;


                                      -13-

<PAGE>

provided, however, that Contractor shall have no right to sublicense any of the
foregoing to Ciba-Geigy Limited, a corporation of Switzerland, or any of its
Affiliates.  Contractor hereby assigns to the Partnership, and waives any right,
title and interest in and to, any Partnership Technology.  To the extent
necessary to perfect the rights granted or retained hereunder, each party under
whose name any patent is issued shall grant to the other party an appropriate
license to such patent.

               7.2  Contractor agrees to cause appropriate patent applications
to be prepared and prosecuted on behalf of the Partnership with respect to
inventions included in Partnership Technology which are commercially and
technically significant, and to cause such patents to be maintained, as the
Partnership shall request in writing, all at the Partnership's expense. 
Contractor further agrees to use its best efforts to cause each of its employees
and agents to do all such acts and to execute, acknowledge and deliver all
instruments or writings reasonably requested and necessary for the Partnership
to perfect its beneficial ownership of all right, title and interest to
Partnership Technology and to secure Letters Patent and all reissues, renewals
and extensions thereof, as contemplated above.

               7.3  Upon the Completion of any Product, Contractor shall so
notify the Partnership.  Subject to the Option Agreement, if requested by the
Partnership after the Completion of a Product, Contractor shall deliver to the
Partnership or its designee all Partnership Technology and other property
related to the completed

                                      -14-

<PAGE>

Product to which the Partnership has ownership rights pursuant to Section 7.1 or
7.2 held by or under the control of Contractor.

               7.4  Within 60 days after the termination of this Agreement for
any reason, Contractor shall deliver to the Partnership all Partnership
Technology and other property in which the Partnership has ownership rights
pursuant to Section 7.1 and 7.2 held by or under the control of Contractor.

          8.   CONFIDENTIALITY

               8.1  Subject to the other provisions of this Agreement, during
the term of this Agreement and for a period of five years following its
termination, Contractor shall maintain in confidence all Partnership Technology,
shall not disclose it to any third party (except as otherwise provided herein or
in any other agreement between the parties), and shall use it only to perform
its obligations under this Agreement, unless such technology:

                    (a) is known to or used by Contractor prior to the time of
     disclosure hereunder;

                    (b) lawfully is disclosed to Contractor by a third party
     having the right to disclose it; or

                    (c) either before or after the time of disclosure to
     Contractor becomes known to the public other than by an unauthorized act or
     omission of Contractor or its employees or agents.

               8.2  Nothing contained in Section 8.1 shall prevent Contractor
from disclosing any Partnership Technology


                                      -15-

<PAGE>

to the extent that such Partnership Technology (i) is required to be disclosed
in connection with the securing of necessary governmental authorization for the
marketing of Products or (ii) is required to be disclosed by law for the purpose
of complying with governmental regulations.

               8.3  The obligations of Contractor pursuant to this Section 8
shall survive the termination of this Agreement for any reason.

          9.   ACCESS TO INFORMATION

               9.1  Subject to the terms of this Agreement, the General Partner
or its duly authorized representatives reasonably acceptable to Contractor shall
be permitted access to the premises of Contractor during normal business hours,
for the purpose of monitoring the progress of the Feasibility Projects and
Development Programs.

               9.2  Contractor shall keep full and complete records and
notebooks containing all experiments performed during all phases of each
Feasibility Evaluation and Product Development Program and the results thereof. 
Such items and copies of all documentation shall be available during normal
business hours for inspection by the General Partner or its duly authorized
representatives reasonably acceptable to Contractor.  In addition, Contractor
shall provide to the Partnership such other information as the General Partner
reasonably may request.

                                      -16-

<PAGE>

          10.  DISCLAIMERS

               10.1 CONTRACTOR DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY (i)
THAT PARTNERSHIP TECHNOLOGY OR LICENSED TECHNOLOGY, OR THE USE THEREOF, OR THE
PRODUCT CANDIDATES AND PRODUCTS INCORPORATING OR MANUFACTURED BY THE USE
THEREOF, WILL BE FREE FROM CLAIMS OF PATENT INFRINGEMENT, INTERFERENCE OR
UNLAWFUL USE OF PROPRIETARY INFORMATION OF ANY THIRD PARTY AND (ii) OF THE
ACCURACY, RELIABILITY, TECHNOLOGICAL OR COMMERCIAL VALUE, COMPREHENSIVENESS OR
MERCHANTABILITY OF THE PARTNERSHIP TECHNOLOGY AND LICENSED TECHNOLOGY OR THEIR
SUITABILITY OR FITNESS FOR ANY PURPOSE WHATSOEVER INCLUDING, WITHOUT LIMITATION,
THE DESIGN, DEVELOPMENT, MANUFACTURE, USE OR SALE OF PRODUCT CANDIDATES OR
PRODUCTS.

               10.2 CONTRACTOR DISCLAIMS ALL OTHER WARRANTIES OF WHATEVER
NATURE, EXPRESS OR IMPLIED.

          11.  EFFECTIVE DATE; TERM AND TERMINATION

               11.1 This Agreement automatically shall become effective on the
closing of the sale of the Class A Limited Partnership interests described in
the Prospectus.

               11.2 This Agreement shall terminate upon the earliest of:

                    (a)  Completion of all Products and payment in full of all
     Development Costs and other expenses, if any, otherwise provided for under
     this Agreement;


                                      -17-

<PAGE>

                    (b)  the expenditure of Total Funds; and

                    (c)  the dissolution and liquidation of the Partnership.

               11.3 The Partnership may, in its discretion, terminate this
Agreement in the event that Contractor:

                    (a)  breaches any material obligation hereunder or under the
     Technology License Agreement, Option Agreement or any license thereunder
     and such breach continues for a period of 60 days after written notice
     thereof by the Partnership to Contractor; or

                    (b)  enters into any proceeding, whether voluntary or
     otherwise, in bankruptcy, reorganization or arrangement for the appointment
     of a receiver or trustee to take possession of Contractor's assets or any
     other proceeding under any law for the relief of creditors, or makes an
     assignment for the benefit of its creditors.

     12.  FORCE MAJEURE

          Neither party to this Agreement shall be liable for delay in the
performance of any of its obligations hereunder if such delay is due to causes
beyond its reasonable control including, without limitation, acts of God, fires,
strikes, acts of war, or intervention of any governmental authority, but any
such delay or failure shall be remedied by such party as soon as possible.


                                      -18-

<PAGE>

     13.  RELATIONSHIP OF THE PARTIES

          Nothing contained in this Agreement is intended or is to be construed
to constitute the Partnership and Contractor as partners or joint venturers or
Contractor as an employee of the Partnership.  Neither party hereto shall have
any express or implied right or authority to assume or create any obligations on
behalf of or in the name of the other party or to bind the other party to any
contract, agreement or undertaking with any third party.

     14.  LIMITATION ON CONTRACTOR'S ACTIVITIES

          During the term of this Agreement, Contractor and its Affiliates shall
not (i) engage in research with respect to or (ii) license or sublicense, except
pursuant to any subcontract under Section 22, the Licensed Technology to others
for the development, manufacture or marketing of any products which both (a)
combine a Transdermal Therapeutic System with a Nonproprietary drug compound and
(b) have their primary pharmaceutical indication within any of the Therapeutic
Categories listed on Schedule E. However, Contractor reserves the right to use,
license and sublicense the Licensed Technology for any other purposes
whatsoever,including, without limitation, the development, manufacture and sale
of (i) any products combining Transdermal Therapeutic Systems with drug
compounds within the Therapeutic Categories that are not Nonproprietary and (ii)
any products in therapeutic categories not listed on Schedule E.


                                      -19-

<PAGE>


     15.  COUNTERPARTS

          This Agreement may be executed in any number of counterparts, each of
which when so executed shall be deemed to be an original and all of which when
taken together shall constitute this Agreement.

     16.  NOTICES

          Any notice or other communication required or permitted to be given to
either party under this Agreement shall be given in writing and shall be
delivered by hand or by registered or certified mail, postage prepaid and return
receipt requested, addressed to each party at the following addresses or such
other address as may be designated by notice pursuant to this Section 16:

If to the Partnership:             ALZA TTS RESEARCH PARTNERS, LTD.
                                   c/o ALZA Development Corporation
                                   950 Page Mill Road
                                   Palo Alto, California 94304
                                   Attention: President

If to Contractor:                  ALZA Corporation
                                   950 Page Mill Road
                                   Palo Alto, California 94304
                                   Attention: President

Any notice or communication given in conformity with this Section 16 shall be
deemed to be effective when received by the addressee, if delivered by hand, and
five days after mailing, if mailed.

     17.  GOVERNING LAW

          This Agreement shall be governed by and construed in accordance with
the laws of the State of California as

                                      -20-

<PAGE>

applied to residents of that state entering into contracts wholly to be
performed in that state.

     18.  SEVERABILITY

          If any provision in this Agreement is held by a court of competent
jurisdiction to be invalid, void or unenforceable, the remaining provisions
shall continue in full force without being impaired or invalidated in any way.

     19.  AMENDMENTS

          No amendment, modification or addition hereto shall be effective or
binding on either party unless set forth in writing and executed by a duly
authorized representative of the party to be charged.

     20.  WAIVER

          No waiver of any right under this Agreement shall be deemed effective
unless contained in a writing signed by the party charged with such waiver, and
no waiver of any breach or failure to perform shall be deemed to be a waiver of
any future breach or failure to perform or of any other right arising under this
Agreement.

     21.  HEADINGS

          The section headings contained in this Agreement are included for
convenience only and form no part of the agreement between the parties.

     22.  ASSIGNMENT

          Contractor may not assign its rights and obligations hereunder without
the prior written consent of Partnership,

                                      -21-

<PAGE>

which consent may not be unreasonably withheld; provided, however, that ALZA
Corporation may assign such rights and obligations hereunder to any person or
entity with which ALZA Corporation is merged or consolidated or which purchases
all or substantially all of the assets of ALZA Corporation.  Contractor may
subcontract a portion of its duties hereunder to third parties, in its sole
discretion; provided, however, that any such subcontractor shall be bound by the
terms of this Agreement.

     23.  NO AFFECT ON OTHER AGREEMENTS

     No provision of this Agreement shall be construed so as to negate, 
modify or affect in any way the provisions of any other agreement between the 
parties unless specifically referred to and solely to the extent provided, in 
any such other agreement.

     IN WITNESS WHEREOF, the parties have executed this Agreement on the date 
first set forth above.

                                   ALZA TTS RESEARCH PARTNERS, LTD.
                                      By ALZA Development Corporation,
                                         its General Partner
                                   
                                   By /s/ Peter F. Carpenter
                                     -------------------------------------
                                     Peter F. Carpenter, President
                                   
                                   ALZA Corporation
                                   
                                   By /s/ Martin S. Gerstel
                                     -------------------------------------
                                     Martin S. Gerstel, President



                                      -22-

<PAGE>

                                   Schedule A
                                        
                                ALZA CORPORATION
                                        
                                  Invoicing for
                         RESEARCH AND DEVELOPMENT COSTS


     RESEARCH AND DEVELOPMENT COSTS ARE EQUAL TO THE SUM OF RESEARCH 
     EXPENSES PLUS GENERAL AND ADMINISTRATIVE OVERHEAD EXPENSES PLUS 
     CAPITAL ASSET COSTS
     
RESEARCH EXPENSES include all Direct and Indirect Research Expenses of product
development, including clinical testing, with cost elements as outlined on
Exhibit I. Direct Expenses are Direct Research Salaries and Supplies acquired
and Other Expenses incurred specifically for purposes of carrying out the
Agreement.  Indirect Research Expenses include General Research Management and
Support Costs of the Product Development and Research Organization.  Indirect
Research Expenses are allocated to all projects and are billed to the
Partnership at a fixed rate of 160%(1) of Direct Research Salary Expense.

GENERAL AND ADMINISTRATIVE OVERHEAD EXPENSE includes cost elements outlined 
on Exhibit II.  Total General and Administrative Overhead is allocated to the 
two operating divisions of the Contractor: the Product Development and 
Research Division and the Commercial Operations Division.  The portion of 
General and Administrative Overhead Expense which is allocated to the Product 
Development and Research Division is then allocated to all projects and 
billed to clients at a fixed rate of 80%(1) of Direct Research Salary  
Expense.

CAPITAL ASSET COSTS are the amounts of depreciation deductions actually taken 
by Contractor for federal income tax purposes in respect of new Capital 
Assets acquired specifically for purposes of the Agreement.


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

(1)  These fixed billing rates will not be changed prior to January 1, 
     1985, and if changed on or after January 1, 1985, such changes (a) 
     will be limited to not more than one per calendar year and (b) 
     shall be a maximum of 10% of the rate in effect at the time of the 
     increase and (c) will be increased only if increased in other 
     recently executed or modified agreements between Contractor and 
     other third party clients.

<PAGE>
                                    Exhibit I
                                        
                                RESEARCH EXPENSES


DIRECT RESEARCH EXPENSES

Direct Research Salaries*
Project Clinical Expenses and Outside Services
Project Specific Supplies
Project Travel Expense
Miscellaneous Project Expenses, if any


INDIRECT RESEARCH EXPENSES

Research Management and Indirect Salaries*
Research Supplies and Materials
Research Consulting and Outside Services
Facilities Expenses
Telephone and Communications
Equipment Depreciation, Rent, Maintenance and Services
Research Travel Expenses
Patent and Trademark Expenses
Miscellaneous Indirect Research Expenses


*Salaries include Fringe Benefits

<PAGE>

                                   Exhibit II
                  GENERAL AND ADMINISTRATIVE OVERHEAD EXPENSES

                                        
Corporate Management, Administrative, and Indirect Salaries*
Telephone and Communications
Equipment Depreciation, Rent, Maintenance and Services
Board of Directors and Corporate Consulting
Annual Audit and Independent Accounting
General Corporate Legal Expense
Shareholder Reports
Facilities Expenses
Interest Expense
Miscellaneous General and Administrative Overhead Expenses


*Salaries include Fringe Benefits


<PAGE>
                                   Schedule B
                                 DRUG CANDIDATES


<PAGE>

                                   Schedule C
                               PRODUCT CANDIDATES


<PAGE>
                                   Schedule D
                                    PRODUCTS


<PAGE>

                                   Schedule E
                             THERAPEUTIC CATEGORIES


Drugs to Treat Congestive Heart Failure
Drugs to Lower Blood Pressure
Narcotic Drugs to Relieve Pain
Drugs to Relieve Various Gastrointestinal Tract Disorders
Drugs to Treat Parkinson's Disease and Related Disorders
Sedatives and Mild Tranquilizers

<PAGE>

                                   Schedule F
                            ALLOCATION OF TOTAL FUNDS



<PAGE>
                                                                Exhibit 10.2

                          TECHNOLOGY LICENSE AGREEMENT
                          -----------------------------

     AGREEMENT made this 30th day of December, 1982 by and between ALZA
CORPORATION, a California corporation ("ALZA"), and ALZA TTS RESEARCH PARTNERS,
LTD., a California limited partnership (the "Partnership").

                                R E C I T A L S:
                                -----------------

     A.   ALZA has proprietary rights to the Licensed Technology.

     B.   The Partnership proposes to undertake research and development of
products utilizing the Licensed Technology and expects to develop and own
certain technology in connection therewith.

     C.   ALZA is willing to grant to the Partnership a license to practice the
Licensed Technology under certain circumstances as hereinafter set forth in
consideration of the Partnership's execution of the Option Agreement.

     NOW, THEREFORE, the parties agree as follows:

     1.   DEFINITIONS

          1.1  "Affiliate" shall have the meaning set forth in the Development
Contract.

          1.2  "ALZA Proprietary Rights" shall mean all Proprietary Rights of
ALZA to the extent now or hereafter owned and controlled by ALZA and which ALZA
has or will have the right to license.
                                        
<PAGE>

          1.3  "Completion" of a Product shall mean the actual reduction to
practice of a Product within the meaning of Section 102(g) of Title 35 of the
United States Code.  "Completion of all Products" shall mean such actual
reduction to practice of all Products.

          1.4  "Confidential Information" shall mean, without limitation, the
originals or copies of all documents, inventions, laboratory notebooks,
drawings, specifications, bills of materials, devices, equipment, prototype
models and tangible manifestations relating to or embodying any Licensed
Technology disclosed hereunder except any of the foregoing which:

               (a) is known to or used by the Partnership prior to the time of
disclosure hereunder;

               (b) lawfully is disclosed to the Partnership by a third party
having the right to disclose it; or

               (c) either before or after the time of disclosure to the 
Partnership becomes known to the public other than by an unauthorized act or 
omission of the Partnership or its employees or agents.

          1.5  "Development Contract" shall mean the Research and Development
Agreement of even date herewith between the Partnership and ALZA.

          1.6  "Feasibility Evaluation" shall have the meaning set forth in the
Development Contract.

                                       -2-

<PAGE>

          1.7  "Licensed Technology" shall mean ALZA Proprietary Rights existing
during the term of this Agreement which are necessary or useful for the
development, manufacture or commercialization of Products.

          1.8  "Option Agreement" shall mean the Option Agreement of even date
herewith between the Partnership and ALZA.

          1.9  "Partnership Technology" shall have the meaning set forth in the
Development Contract.

          1.10 "Product" shall have the meaning set forth in the Development
Contract.

          1.11 "Product Development Program" shall have the meaning set forth in
the Development Contract.

          1.12 "Proprietary Rights" shall mean data, inventions, information,
processes, know how, patents, patent applications and trade secrets.

          1.13 "Prospectus" shall have the meaning set forth in the Development
Contract.

     2.   LICENSE OF ALZA TECHNOLOGY FOR RESEARCH AND DEVELOPMENT; TERM

          2.1  GRANT OF LICENSE.  ALZA hereby grants to the Partnership, upon 
the terms and conditions of this Agreement, a royalty-free, worldwide license 
to practice the Licensed Technology (i) in either a Feasibility Evaluation or 
a Product Development Program (ii) to sublicense ALZA under the terms of the 
Development Contract for the purposes thereof and (iii) to

                                       -3-

<PAGE>

sublicense third parties to complete the development of Products in accordance
with the terms of the Option Agreement, but for no other purpose whatsoever,
except as set forth in Section 3.

          2.2  TERM.  The term of the license granted under Section 2.1 shall 
commence on the date hereof and shall continue, with respect to any Product, 
until the Completion of that Product.

     3.   LICENSE OF ALZA PROPRIETARY TECHNOLOGY FOR COMMERCIAL EXPLOITATION

          3.1  GRANT OF LICENSE.  ALZA hereby grants to the Partnership, upon 
the terms and conditions of this Agreement, a royalty-free, worldwide 
license, with the right to sublicense, to practice the Licensed Technology to 
manufacture, use and sell Products.

          3.2  TERM.  The term of the license granted under Section 3.1 
hereof shall commence, as to each Product, upon Completion of such Product 
and shall continue in full force and effect thereafter as to such Product.

     4.   EFFORTS OF LICENSEE

          The Partnership promptly shall commence to use the Licensed Technology
to develop or have developed Products under the Development Contract.

     5.   PATENTS

          5.1  INFRINGEMENTS.  Each party shall notify the other of infringement
or alleged infringement of any patent

                                       -4-


<PAGE>

rights included in the Licensed Technology or of any unauthorized or alleged
unauthorized use of the Licensed Technology.  In the event of any such alleged,
infringement or unauthorized use, ALZA shall have the right, at its own expense
and with the right to all recoveries, to take appropriate action to restrain
such alleged infringement or unauthorized use. If ALZA fails to take such
action, and if the infringing product or products achieve ten percent of the
sales volume of any Product, the Partnership may institute, in its own name, at
its own expense and with the right to all recoveries, such litigation or other
appropriate action as the Partnership may deem necessary to terminate such
infringement or unauthorized use; provided, however, that the Partnership shall
first give ALZA 60 days advance notice of its intention to take such action and,
provided further, that ALZA has not taken appropriate action during such 60-day
period. In either case, the other party shall cooperate with the party
initiating such action at the initiating party's expense.

          5.2  DEFENSE OF SUITS.  If any controversy, litigation or 
proceeding is threatened or brought by any person against either party hereto 
alleging that any use, application, or disclosure of the Licensed Technology 
infringes any patent or other proprietary right held by such person, the 
parties shall confer promptly with respect to such controversy, litigation or 
proceeding.  If the parties agree to proceed jointly,

                                       -5-

<PAGE>

they shall share equally the defense expenses and costs, including attorneys'
fees, and neither party shall settle or compromise such controversy, litigation
or proceeding without the consent of the other party.  If the parties do not
agree to proceed jointly, then each party may proceed on its own and at its sole
expense, and each party shall have the right to settle or compromise on such
controversy, litigation or proceeding on its own behalf and at its own expense.

     6.   CONFIDENTIALITY

          Subject to the other provisions of this Agreement, during the term 
of this Agreement and for a period of five years following its termination, 
the Partnership shall maintain in confidence all Confidential Information; 
provided, however, that nothing contained herein shall prevent the 
Partnership from disclosing any Confidential Information to the extent that 
such Confidential Information is required to be disclosed (i) in connection 
with the securing of necessary governmental authorization for the marketing 
of Products, (ii) for the purpose of complying with governmental regulations 
or (iii) for the purpose of any sublicense allowed hereunder.  The 
obligations of the parties pursuant to this Section 6 shall survive the 
termination of this Agreement for any reason.

     7.   DISCLAIMERS

          ALZA DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY (i) THAT THE LICENSED
TECHNOLOGY, OR THE USE THEREOF, OR THE

                                       -6-

<PAGE>

PRODUCTS INCORPORATING OR MANUFACTURED BY THE USE THEREOF WILL BE FREE FROM
CLAIMS OF PATENT INFRINGEMENT, INTERFERENCE OR UNLAWFUL USE OF PROPRIETARY
INFORMATION OF ANY THIRD PARTY OR (ii) OF THE ACCURACY, RELIABILITY,
TECHNOLOGICAL OR COMMERCIAL VALUE, COMPREHENSIVENESS OR MERCHANTABILITY OF THE
LICENSED TECHNOLOGY OR ITS SUITABILITY OR FITNESS FOR ANY PURPOSE WHATSOEVER
INCLUDING, WITHOUT LIMITATION, THE DESIGN, DEVELOPMENT, MANUFACTURE, USE OR SALE
OF PRODUCTS. ALZA DISCLAIMS ALL OTHER WARRANTIES OF WHATEVER NATURE, EXPRESS OR
IMPLIED.

     8.   EFFECTIVE DATE; TERMINATION

          8.1  EFFECTIVE DATE.  This Agreement automatically shall become 
effective on the closing of the sale of the Class A Limited Partnership 
interests described in the Prospectus.

          8.2  TERMINATION.  Either party may terminate this Agreement 
effective upon the giving of written notice of such termination to the other 
party in the event such other party:

               (a) breaches any of its material obligations hereunder and 
such breach continues for a period of 60 days after written notice thereof by 
the other party; or

               (b) enters into any proceeding, whether voluntary or 
otherwise, in bankruptcy, reorganization, or arrangement for the appointment 
of a receiver or trustee to take possession of such other party's assets or 
any other

                                       -7-

<PAGE>

proceeding under any law for the relief of creditors, or makes an assignment for
the benefit of such other party's creditors.

     9.   COUNTERPARTS

     This Agreement may be executed in any number of counterparts, each of which
when so executed shall be deemed to be an original and all of which when taken
together shall constitute this Agreement.

     10.  NOTICES

     Any notice or other communication required or permitted to be given by
either party under this Agreement shall be given in writing and shall be
delivered by hand or by registered or certified mail, postage prepaid and return
receipt requested, addressed to each party at the following addresses or such
other address as may be designated by notice pursuant to this Section 10:

     If to the Partnership:                  ALZA TTS RESEARCH PARTNERS, LTD.
                                             c/o ALZA Development Corporation
                                             950 Page Mill Road
                                             Palo Alto, California 94304
                                             Attention: President

     If to ALZA:                             ALZA CORPORATION
                                             950 Page Mill Road
                                             Palo Alto, California 94304
                                             Attention: President

     Any notice or communication so given in conformity with this Section 10
shall be deemed to be effective when received by the addressee, if delivered by
hand, and five days after mailing, if mailed.

                                       -8-

<PAGE>


     11.  GOVERNING LAW

     This Agreement shall be governed by and construed in accordance with the
laws of the State of California as applied between residents of that state
entering into contracts wholly to be performed in that state.

     12.  SEVERABILITY

     If any provision of this Agreement is held by a court of competent
jurisdiction to be invalid, void, or unenforceable, the remaining provisions
shall continue in full force without being impaired or invalidated in any way.

     13.  AMENDMENTS

     No amendment, modification or addition hereto shall be effective or binding
on either party unless set forth in writing and executed by a duly authorized
representative of the party to be charged.

     14.  WAIVER

     No waiver of any right under this Agreement shall be deemed effective
unless contained in a writing signed by the party charged with such waiver, and
no waiver of any breach or failure to perform shall be deemed to be a waiver of
any future breach or failure to perform or of any other right arising under this
Agreement.

     15.  HEADINGS

     The section headings contained in this Agreement are included for
convenience only and form no part of the agreement between the parties.

                                       -9-

<PAGE>

     16.  NO EFFECT ON OTHER AGREEMENTS

          No provision of this Agreement shall be construed so as to negate,
modify or affect in any way the provisions of any other agreement between the
parties unless specifically referred to, and to the extent specifically
provided, in such other agreements.

     IN WITNESS WHEREOF, the parties have executed this Agreement on the date
first set forth above.


                                           ALZA TTS RESEARCH PARTNERS, LTD.
                                            By ALZA Development Corporation,
                                              its General Partner



                                           By: /s/ Peter F. Carpenter
                                              -------------------------------
                                              Peter F. Carpenter, President



                                           ALZA CORPORATION

                                           By: /s/ Martin S. Gerstel
                                              -------------------------------
                                              Martin S. Gerstel, President



                                      -10-

<PAGE>
                                                                  Exhibit 10.3
                                OPTION AGREEMENT


     AGREEMENT made this 30th day of December, 1982 by and between ALZA
CORPORATION, a California corporation ("ALZA") and ALZA TTS RESEARCH PARTNERS,
LTD., a California limited partnership (the "Partnership").

                                R E C I T A L S:
                                - - - - - - - - 

     A.   On the date hereof, ALZA and the Partnership have entered into a
Technology License Agreement and a Development Contract.

     B.   Pursuant to the Development Contract, the Partnership will employ 
ALZA to perform the research and development work described therein, which is 
anticipated to result in Products.

     C.   In order to induce ALZA to enter into the Technology License 
Agreement and in order to carry out the commercial exploitation of Products, 
the Partnership desires to grant to ALZA certain options as set forth herein.

     NOW, THEREFORE, the parties agree as follows:

     1.   DEFINITIONS

          1.1  "ALZA Proprietary Rights" shall have the meaning set forth in 
the Development Contract.


<PAGE>

          1.2  "Confidential Information" shall mean all Partnership 
Technology disclosed to ALZA hereunder except information that:

               (a)  is known to or used by ALZA prior to the time of disclosure
     hereunder;

               (b)  lawfully is disclosed to ALZA by a third party having the
     right to disclose it; or

               (c)  either before or after the time of disclosure to ALZA
     becomes known to the public other than by an unauthorized act or omission
     of ALZA or its employees or agents.

          1.3  "Completion" of a Product shall mean the actual reduction to 
practice of such Product within the meaning of Section 102(g) of Title 35 of 
the United States Code.

          1.4  "Continuation Option" shall mean the option granted to ALZA 
pursuant to Section 3 of this Agreement.

          1.5  "Development Contract" shall mean the Research and Development
Agreement of even date herewith between the Partnership and ALZA.

          1.6  "Discontinued Product" shall mean any Product or Product 
Candidate for which the Partnership (i) has commenced a Product Development 
Program but has determined for any reason to discontinue permanently the 
activities thereunder prior to obtaining regulatory approval in the United 
States or in two other Major Market Countries and (ii) has given ALZA the 
notice described in Section 3.1 hereof.


                                       -2-
<PAGE>

          1.7  "FDA" shall mean the United States Food and Drug 
Administration.

          1.8  "License Option" shall mean the option granted to ALZA 
pursuant to Section 2 of this Agreement.

          1.9  "Licensed Technology" shall have the meaning set forth in the 
Development Contract.

          1.10 "Major Market Country" shall mean any one of the United 
States, Japan, West Germany, Italy, France or the United Kingdom.

          1.11 "NDA" shall mean a new drug application as that term is 
defined in the United States Food, Drug and Cosmetics Act.

          1.12 "Partnership License Agreement" shall mean an exclusive 
license agreement between ALZA and the Partnership substantially in the form 
of Exhibit A to this Agreement.

          1.13 "Partnership Technology" shall have the meaning set forth in 
the Development Contract.

          1.14 "Product" shall have the meaning set forth in the Development 
Contract.

          1.15. "Product Candidate" shall have the meaning set forth in the 
Development Contract.

          1.16 "Product Development Program" shall have the meaning set forth 
in the Development Contract.

          1.17 "Proprietary Rights" shall have the meaning set forth in the 
Development Contract.

                                       -3-
<PAGE>

          1.18 "Prospectus" shall have the meaning set forth in the Development
Contract.

          1.19 "Technology License Agreement" shall mean the Technology License
Agreement of even date herewith between ALZA and the Partnership.

     2.   LICENSE OPTION

          2.1  GRANT OF LICENSE OPTION.  On the terms and subject to the
conditions of this Agreement, the Partnership hereby grants to ALZA a License 
Option for each Product.

          2.2  TIME FOR EXERCISE.  Subject to Section 3.7, ALZA may exercise 
the License Option with respect to each Product at any time beginning one 
year and one day after the Completion of the Product and ending on the later 
of (i) 90 days after such date and (ii) 90 days after the Partnership 
notifies ALZA of receipt of the first to be received of either (a) approval 
by the FDA of the NDA relating to the Product or (b) comparable regulatory 
approval of the Product in any two other Major Market Countries.  The License 
Option for any Product automatically will expire if not exercised within the 
foregoing time period.  The Partnership promptly will notify ALZA upon the 
Completion of each Product.

          2.3  MANNER OF EXERCISE.  ALZA shall exercise any License Option by 
delivering to the Partnership, within the time period described in Section 
2.2 above, a notice of exercise specifying the Product as to which the 
License Option is exercised.  A Partnership License Agreement for such Product


                                       -4-
<PAGE>

shall be deemed to be effective as of the date of such notice of exercise 
without the necessity of any additional action by the parties.  For the 
convenience of the parties, however, the Partnership shall, upon receipt of 
ALZA's notice, forward to ALZA two executed copies of a Partnership License 
Agreement dated the effective date; ALZA shall execute both copies and return 
one to the Partnership as soon as possible.  Failure of either or both of the 
parties to execute such Partnership License Agreement shall not, however, 
affect the effectiveness of the license granted thereby.  The parties shall 
enter into a separate Partnership License Agreement for each Product as to 
which ALZA elects to exercise a License Option.

     3.   CONTINUATION OPTION

          3.1  GRANT OF CONTINUATION OPTION.  In the event that the 
Partnership determines to discontinue permanently the Product Development 
Program for any Product or Product Candidate prior to obtaining regulatory 
approval either (i) by the FDA or (ii) by comparable regulatory authorities 
in two other Major Market Countries, the Partnership immediately shall notify 
ALZA to such effect.  On the date of such notice, such Product or Product 
Candidate automatically shall become a Discontinued Product.  On the terms 
and subject to the conditions of this Agreement, the Partnership hereby 
grants to ALZA a Continuation Option with respect to each Discontinued 
Product. Under each Continuation Option, ALZA shall have the right to 
continue the


                                       -5-
<PAGE>

development of a Discontinued Product until the earlier of receipt of (i)
approval by the FDA of the NDA relating to the Product or (ii) comparable
regulatory approval in two other Major Market Countries.  If ALZA exercises the
Continuation Option, ALZA will proceed with a view to Completion of the
Discontinued Product and obtaining regulatory approvals thereof.  From time to
time as reasonably requested by the Partnership, ALZA will provide the
Partnership with reports on the progress of the development of a Discontinued
Product and any regulatory approvals thereof.

          3.2  TIME FOR EXERCISE.  ALZA may exercise its Continuation Option 
with respect to any Discontinued Product at any time beginning on the date on 
which it receives the notice described in Section 3.l and ending 90 days 
after the termination for any reason of the Development Contract; provided, 
however, that if at any time beginning 90 days after such notice for any 
Product or Product Candidate, ALZA has not exercised its Continuation Option 
for such Product or Product Candidate and the Partnership obtains an offer 
from a third party to Complete the Product or Product Candidate, the 
Partnership shall so notify ALZA and, for a period of 30 days thereafter, 
ALZA may exercise its Continuation Option for such Product.  If ALZA does not 
exercise its Continuation Option within such 30-day period, but the 
Partnership for any reason does not consummate an agreement with the third 
party to Complete the


                                       -6-
<PAGE>

Product or Product Candidate, the Continuation Option for the Product or 
Product Candidate will remain in effect.  If the Partnership enters into a 
written agreement with such third party to Complete the Product or Product 
Candidate, on the date of such agreement, ALZA's License Option and 
Continuation Option for such Product or Product Candidate automatically shall 
terminate.

          3.3  MANNER OF EXERCISE.  ALZA shall exercise its Continuation 
Option by delivering to the Partnership, within the applicable time periods 
described in Section 3.2 above, a notice of exercise specifying the 
Discontinued Product as to which the Continuation Option is being exercised.

          3.4  SIMULTANEOUS OPTIONS.  Subject to the other provisions of this 
Agreement, if the Partnership already has notified ALZA of the Completion of 
a Product in accordance with Section 2.2 prior to determining to discontinue 
the Product Development Program for that Product, then ALZA will have a 
simultaneous License Option and Continuation Option for such Discontinued 
Product, and ALZA may exercise either or both such options in accordance with 
the applicable provisions of this Agreement.

          3.5  ALZA RIGHTS UPON COMPLETION OF A DISCONTINUED PRODUCT.  If 
ALZA exercises a Continuation Option prior to the Completion of a 
Discontinued Product, ALZA immediately shall notify the Partnership upon the 
Completion of the Discontinued Product, and thereafter ALZA shall have the 
right to


                                       -7-
<PAGE>

exercise its License Option for such Discontinued Product during the same 
periods and in the same manner as described in Sections 2.2 and 2.3. After 
such notice, ALZA may nonetheless, without exercising the License Option for 
such Discontinued Product, continue the development of such Product until the 
earlier of (i) FDA approval of the NDA for the Discontinued Product or (ii) 
comparable regulatory approval in two other Major Market Countries.

          3.6  PARTNERSHIP LICENSE AGREEMENTS FOR DISCONTINUED PRODUCTS.  If 
ALZA exercises the License Option for any Discontinued Product in accordance 
with Section 2, the parties shall enter into a Partnership License Agreement 
on the same terms as set forth in Exhibit A hereof, except that the royalties 
to be paid to the Partnership by ALZA in respect of any Discontinued Product 
shall be the royalties payable under subsections 3.1(a) and 3.1(b) of Exhibit 
A reduced by the number obtained by multiplying the royalties otherwise so 
payable by a fraction, the numerator of which shall be all Development Costs 
(as defined and described in the Development Contract) paid by ALZA with 
respect to the Discontinued Product through the date of the earlier of (i) 
approval of the Product by the FDA or (ii) approval of the Product by 
comparable regulatory authorities in two other Major Market Countries, and 
the denominator of which shall be all of the Development Costs paid with 
respect to such Discontinued Product by both ALZA and


                                       -8-
<PAGE>

the Partnership through such date.  Within 60 days after ALZA's exercise of 
any License Option for a Discontinued Product, each party shall provide the 
other party with a written accounting of all Development Costs of the 
Discontinued Product paid or expended by such party through the date of such 
exercise.  As soon as practicable thereafter, the Partnership shall forward 
to ALZA two copies of an executed Partnership License Agreement modified in 
accordance with this Section 3.6; ALZA shall execute both copies and return 
one to the Partnership as soon as possible.  The Partnership License 
Agreement shall be deemed to be effective as of the date of ALZA's notice of 
exercise of the License Option for the Discontinued Product, and failure of 
either or both of the parties to execute the Partnership License Agreement 
shall not affect the effectiveness of the license granted thereby.  If, on 
the effective date of the Partnership License Agreement, the Product has not 
been approved by either (i) the FDA or (ii) comparable regulatory authorities 
in two other Major Market Countries, the Partnership License Agreement for 
that Product automatically shall be amended, on and effective as of the date 
that the earlier of such approvals is obtained, to fix a new royalty rate 
calculated as set forth above, but reflecting the total Development Costs 
paid by ALZA through the date of the FDA approval or the regulatory approvals 
in two other Major Market Countries, whichever is earlier. Within 60 days 
after receipt of the relevant approval or


                                       -9-
<PAGE>

approvals, ALZA will provide the Partnership with a complete accounting of 
all such Development Costs and the parties shall execute an amendment to the 
Partnership License Agreement setting forth the new royalty rate, which shall 
be payable with respect to all royalties due beginning on the date of such 
approval or approvals.

          3.7  RIGHTS UPON TERMINATION OF OR FAILURE TO CONTINUE DEVELOPMENT. 
If ALZA exercises its Continuation Option with respect to any Discontinued 
Product and continues the development thereof, but either does not later 
exercise its License Option or determines, prior to receipt of either (i) FDA 
approval or (ii) comparable regulatory approval in two other Major Market 
Countries not to further continue such development for any reason, ALZA shall 
so notify the Partnership and the License Option for such Product 
automatically shall terminate on the date of such notice.  Beginning on the 
date of such notice, the Partnership shall have the right to license, 
manufacture, use, commercialize, sell or otherwise dispose of the 
Discontinued Product in the same manner and to the same extent as though ALZA 
had not exercised the Continuation Option; provided, however, that 50% of the 
proceeds of any such license, manufacture, use, commercialization, sale or 
other disposition of the Discontinued Product received by the Partnership 
shall be paid by the Partnership to ALZA until ALZA has been reimbursed for 
all Development Costs of the Discontinued Product paid by


                                      -10-
<PAGE>

ALZA through the date of ALZA's notice hereunder.  Within 60 days after such 
notice, ALZA shall deliver to the Partnership a written accounting of the 
Development Costs of such Discontinued Product paid or expended by it through 
the date of ALZA's notice.

          3.8  REVIEW OF BOOKS AND RECORDS.  In the event of the exercise of 
any Continuation Option hereunder, each party shall have the right, at all 
reasonable times and at its own expense, to examine or have examined by a 
certified public accountant or similar person reasonably acceptable to the 
other party, pertinent books and records of the other party, for the sole 
purpose of determining the Development Costs paid or expended by the other 
party.  This right may be exercised only once with respect to each Product or 
Product Candidate and must be exercised within two years after the license or 
other disposition of the Product.

     4.   NO CONFLICT

     The Partnership agrees that no license, sale or other commercial 
exploitation of any Product or Product Candidate has been or shall be made or 
offered to any person or entity on any basis that is or will be in conflict 
with this Agreement or any Product License Agreement unless or until, with 
respect to any Product or Product Candidate, the periods of time set forth in 
Section 2.2 and Section 3.2, as applicable, have elapsed.


                                      -11-
<PAGE>

     5.   ACCESS TO INFORMATION

          5.1  INFORMATION AVAILABLE.  Subject to the restrictions on 
disclosure of Confidential Information set forth in Section 6 below, the 
Partnership shall make available to ALZA at all reasonable times all 
Partnership Technology.

          5.2  CONSULTATION.  The Partnership shall consult with ALZA and 
inform it on a continuing basis of developments and the current state of the 
Partnership Technology and will review from time to time with ALZA the 
progress towards Completion of the Products.

     6.   CONFIDENTIALITY

          6.1  USE OF CONFIDENTIAL INFORMATION.  During the term of this 
Agreement, and for a period of five years following its termination, ALZA 
shall maintain in confidence all Confidential Information; provided, however, 
that nothing contained herein shall prevent ALZA from disclosing any 
Confidential Information to the extent that such Confidential Information (i) 
is required to be disclosed in connection with the securing of necessary 
governmental authorization for the marketing of Products or (ii) is required 
to be disclosed by law for the purpose of complying with governmental 
regulations.

          6.2  SURVIVAL OF TERMS.  The obligations of ALZA pursuant to 
Section 6.1 shall survive the termination of this Agreement for any reason.


                                      -12-
<PAGE>

     7.   DISCLAIMERS

          THE PARTNERSHIP DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY (i) THAT
PARTNERSHIP TECHNOLOGY OR LICENSED TECHNOLOGY OR THE USE THEREOF, OR ANY PRODUCT
CANDIDATES OR PRODUCTS INCORPORATING OR MANUFACTURED BY THE USE THEREOF, WILL BE
FREE FROM CLAIMS OF PATENT INFRINGEMENT, INTERFERENCE OR UNLAWFUL USE OF
PROPRIETARY INFORMATION OF ANY THIRD PARTY AND (ii) OF THE ACCURACY,
RELIABILITY, TECHNOLOGICAL OR COMMERCIAL VALUE, COMPREHENSIVENESS OR
MERCHANTABILITY OF THE PARTNERSHIP TECHNOLOGY OR LICENSED TECHNOLOGY OR THEIR
SUITABILITY OR THE FITNESS THEREOF FOR ANY PURPOSE WHATSOEVER INCLUDING, WITHOUT
LIMITATION, THE DESIGN, DEVELOPMENT, MANUFACTURE, USE OR SALE OF PRODUCT
CANDIDATES OR PRODUCTS.  THE PARTNERSHIP DISCLAIMS ALL OTHER WARRANTIES OF
WHATEVER NATURE, EXPRESS OR IMPLIED.

     8.   EFFECTIVE DATE; TERMINATION

          8.1  EFFECTIVE DATE.  This Agreement automatically shall become 
effective on the date of the closing of the sale of the Class A Limited 
Partnership interests described in the Prospectus.

          8.2  TERMINATION.  This Agreement shall terminate when all of the 
License Options and Continuation Options either shall have been exercised or 
shall have terminated in accordance with Sections 2 and 3 of this Agreement 
as to each Product or Product Candidate.


                                      -13-
<PAGE>

     9.   MISCELLANEOUS

          9.1  WAIVER.  No waiver of any right under this Agreement shall be 
deemed effective unless contained in a writing signed by the party charged 
with such waiver, and no waiver of any right arising from any breach or 
failure to perform shall be deemed to be a waiver of any future breach or 
failure to perform or of any other right arising under this Agreement.

          9.2  NOTICES.  Any notice or other communication required or 
permitted to be given to either party under this Agreement shall be given in 
writing and shall be delivered by hand or by registered or certified mail, 
postage prepaid and return receipt requested, addressed to each party at the 
following addresses or such other address as may be designated by a notice 
pursuant to this Section 9.2:

     If to Partnership:       ALZA TTS Research Partners, Ltd.
                              c/o ALZA Development Corporation
                              950 Page Mill Road
                              Palo Alto, California  94304
                              Attention:  President

     If to ALZA:              ALZA Corporation
                              950 Page Mill Road
                              Palo Alto, California  94304
                              Attention:  President

Any notice or communication given in conformity with this Section 9.2 shall be
deemed effective when received by the addressee, if delivered by hand, and five
days after mailing, if mailed.


                                      -14-
<PAGE>

          9.3  HEADINGS.  The section headings contained in this Agreement 
are included for convenience only and form no part of the Agreement between 
the parties.

          9.4  SEVERABILITY.  If any provision in this Agreement is held by a 
court of competent jurisdiction to be invalid, void or unenforceable, the 
remaining provisions shall continue in full force without being impaired or 
invalidated in any way.

          9.5  COUNTERPARTS.  This Agreement may be executed in any number of
counterparts, each of which when so executed shall be deemed to be an original
and all of which when taken together shall constitute this Agreement.

          9.6  AMENDMENTS.  No amendment, modification or addition hereto 
shall be effective or binding on either party unless set forth in writing and 
executed by a duly authorized representative of the party to be charged.

          9.7  NO EFFECT ON OTHER AGREEMENTS.  No provision of this Agreement 
shall be construed so as to negate, modify or affect in any way the 
provisions of any other agreement between the parties except as specifically 
provided in such other agreements.

          9.8  GOVERNING LAW.  This Agreement shall be governed by and 
construed in accordance with the laws of the


                                      -15-
<PAGE>

State of California as applied to residents of that state entering into 
contracts wholly to be performed in that state.

          IN WITNESS WHEREOF, the parties have executed this Agreement as of 
the date first above written.

                                   ALZA TTS RESEARCH PARTNERS, LTD.
                                     by ALZA Development Corporation,
                                     its General Partner
                                   

                                   By  /s/ Peter F. Carpenter
                                     ---------------------------------
                                        Peter F. Carpenter, President


                                   ALZA Corporation


                                   By  /s/ Martin S. Gerstel
                                     ---------------------------------
                                        Martin S. Gerstel, President


                                      -16-
<PAGE>
                                                             Exhibit A
                          PARTNERSHIP LICENSE AGREEMENT

     Agreement made this * day of *, 19*, by and between ALZA
Corporation, a California corporation ("Licensee"), and ALZA TTS Research
Partners, Ltd., a California limited partnership ("Licensor").

                                 R E C I T A L S:
                                 - - - - - - - - 

     A.   Licensor and Licensee have entered into an Option Agreement and 
related agreements dated December 30, 1982.

     B.   Section 2 of the Option Agreement provides for a license, the terms 
of which are to be set forth herein.

     NOW THEREFORE, the parties agree as follows:

     1.   DEFINITIONS

          1.1  "Affiliate" shall mean a corporation or any other business 
entity that directly, or indirectly through one or more intermediaries, 
controls, is controlled by or is under common control with, the designated 
party.  "Control" shall mean ownership of least 50% of the shares of stock 
entitled to vote for the election of directors in the case of a corporation 
and at least 50% of the interests in profits in the case of a business entity 
other than a corporation.

* To be dated in accordance with section 2.3 of the Option Agreement.


<PAGE>
          1.2  "ALZA Proprietary Rights" shall mean Proprietary Rights to the 
extent owned or controlled by ALZA and which ALZA has the right to license.

          1.3  "Confidential Information" shall mean all Partnership 
Technology including, without limitation, the originals or copies of all 
documents, inventories, laboratory, notebooks, drawings, specifications, 
bills of materials, devices, equipment, prototype models and tangible 
manifestations relating to or embodying any Partnership Technology disclosed 
by Licensor to Licensee hereunder, except any of the foregoing that:

               (a)  is known to or used by Licensee prior to the time of
     disclosure hereunder;

               (b)  lawfully is disclosed to Licensee by a third party having
     the right to disclose it; or

               (c)  either before or after the time of disclosure to Licensee
     becomes known to the public other than by an unauthorized act or omission
     of Licensee or its employees or agents.

          1.4  "Development Contract" shall mean the Research and Development
Agreement between the parties dated December 30, 1982.

          l.5  "FDA" shall mean the United States Food and Drug Administration.

          1.6  "Licensed Product" shall mean the product listed on Schedule A
hereto.


                                        2
<PAGE>

          1.7  "Licensed Technology" shall mean ALZA Proprietary Rights 
existing during the term of this Agreement which are necessary or useful for 
the development, manufacture or commercialization of the Licensed Product.

          1.8  "Major Market Country" shall mean any one of France, Italy,
Japan, the United Kingdom, the United States or West Germany.

          1.9  "NDA" shall mean a new drug application as defined under The 
United States Food, Drug and Cosmetic Act, pursuant to which FDA permission 
to market a "new drug" is requested.

          1.10 "Net Sales" shall mean the amount received from commercial 
sales of a Licensed Product by any person to independent, unrelated parties 
in bona fide arm's-length transactions, less the following deductions: (i) 
trade and/or quantity discounts actually allowed and taken in such amounts as 
are customary in the trade; (ii) commissions paid or allowed to independent 
brokers and agents; (iii) taxes on any sale to the extent included in the 
amount billed; (iv) three percent of the amount billed or invoiced to cover 
transportation charges and discounts other than those described above; and 
(v) amounts repaid or credited by reason of rejections, defects or returns or 
because of retroactive price reductions.

          1.11 "Option Agreement" shall mean the Option Agreement between the 
parties dated December 30, 1982.


                                        3
<PAGE>

          1.12 "Partnership Technology" shall mean (i) Proprietary Rights 
which are generated, developed, conceived or first reduced to practice by or 
for the benefit of Licensor pursuant to the Development Contract, but solely 
to the extent such Proprietary Rights are required to make, use and sell the 
Licensed Product and (ii) such other rights relating to the Licensed Product 
as may be acquired by Licensor from persons other than Licensee and relating 
to the subject matter of this Agreement.

          1.13 "Patent Rights" shall mean any and all patents which cover 
inventions included within Partnership Technology.  Copies of such patents 
shall be attached to this Agreement as Schedule B, which shall be modified as 
required from time to time.

          1.14 "Proprietary Rights" shall mean data, inventions, information, 
processes, know how, patents, patent applications and trade secrets.

     2.   GRANT OF LICENSE

          Licensor hereby grants to Licensee the worldwide right and license 
to practice, and to sublicense others to practice, the Partnership Technology 
to manufacture, use, commercialize and sell the Licensed Product; provided, 
however, that Licensee shall not have the right to grant any sublicense to 
Ciba-Geigy Limited, a corporation of Switzerland, or any of its Affiliates.  
The license granted hereunder shall be an


                                        4
<PAGE>

exclusive license until the date that is thirteen years after the actual 
reduction to practice of the Licensed Product. As soon as the Licensed 
Product has been actually reduced to practice, Licensor promptly shall so 
notify Licensee and the date until which this License is exclusive shall be 
set forth on Schedule A by each party.  On the date listed on Schedule A, the 
license granted hereby automatically shall become a non-exclusive license, 
but Licensee shall continue to have sublicensing rights to the extent set 
forth above.

     3.   ROYALTIES AND OTHER PAYMENTS

          3.1  PAYMENTS.  In consideration of the grant of the license, 
Licensee shall make the following payments to Licensor with respect to the 
Licensed Product:

               (a)  A royalty of five percent (or such lesser percentage as 
may be required by applicable laws of any country) of the Net Sales by 
Licensee and its Affiliates for Licensed Products sold or otherwise disposed 
of by Licensee and its Affiliates, but not with respect to any sales to 
distributors who agree to pay royalties or make percentage of sale payments 
to Licensee or such Affiliates (in which case such royalties or payments 
shall be subject to Section 3(b) below).

               (b)  A payment of 50 percent of any royalties or percentage of 
sales payments received by Licensee or any Affiliate under either (i) any 
sublicense of the


                                        5
<PAGE>

Partnership Technology for the manufacture, use, commercialization or sale of 
the Licensed Product or (ii) any distribution agreements for the Licensed 
Product entered into with distributors who agree to pay royalties or make 
percentage of sales payments to Licensee or any Affiliate.

               (c)  A payment of 50 percent of any "front-end" distribution 
fees, prepaid royalties, or similar one-time, infrequent or special payments 
not included in Section 3.1(b).

          3.2  GUARANTEED PAYMENTS.  If, at the end of any calendar year, the 
aggregate payments by Licensee to Licensor pursuant to section 3.1(a), 3.1(b) 
and 3.1(c) (together, the "Aggregate Payments") and the "Guaranteed 
Payments", if any under this Section 3.2 are less than 4% of the aggregate 
Net Sales of the Licensed Product by the sublicensees and distributors from 
whom the Aggregate Payments were received, Licensee shall pay Licensor an 
additional amount (a "Guaranteed Payment") equal to the difference between 
(i) the Aggregate Payments and any Guaranteed Payments theretofore made and 
(ii) 4% of such Net Sales to such date.  The Guaranteed Payment, if any, due 
to Licensor under this Section 3.2 shall be calculated annually.  The 
Guaranteed Payment, if any, due for any calendar year shall be included in 
and shall be paid simultaneously with, the 


                                        6
<PAGE>

last quarterly report for such year by Licensee under Section 6.

          3.3  TERM OF PAYMENTS.  The obligation to pay royalties hereunder 
shall continue until (i) the expiration of the last to expire of the Patent 
Rights or (ii) if there never are any Patent Rights, 20 years after the date 
of the actual reduction to practice of the Licensed Product.

     4.   CREDITS AGAINST PAYMENTS DUE

          Notwithstanding the provisions of Section 3, Licensee shall 
receive, as a credit against payments otherwise due under Section 3, an 
amount equal to 50% of Licensee's costs and expenses of obtaining regulatory 
approval of the Licensed Product in any country incurred after regulatory 
approval has been obtained from either (i) the FDA or (ii) comparable 
regulatory authorities in two other Major Market Countries.  Such credit with 
respect to any such additional approval shall be taken against payments 
otherwise due under Section 3 after the date of such additional approval.

     5.   CONFIDENTIAL INFORMATION

          Licensee agrees that it, its Affiliates and its sublicensees shall 
not use Confidential Information received from Licensor hereunder for any 
other purpose than for fulfilling the purpose of this Agreement.  Licensee 
agrees that


                                        7
<PAGE>

it, its Affiliates and its sublicensees shall, during the term of this 
Agreement and for a period of five years after its termination for any 
reason, hold in confidence all Confidential Information except to the extent 
that such Confidential Information (i) is required to be disclosed in 
connection with the securing of necessary governmental authorization for the 
marketing of the Licensed Product, (ii) is required to be disclosed by law 
for the purpose of complying with governmental regulations or (iii) is 
required to be disclosed for the purpose of sublicensing or distribution as 
provided herein.

     6.   ACCOUNTING

          6.1  REPORTS.  Within 90 days after the end of each calendar 
quarter during the term of this Agreement, Licensee shall render an 
accounting to Licensor with respect to all payments due and all credits taken 
for such quarter.  Such report shall indicate for such calendar quarter the 
quantity and dollar amount of sales of the Licensed Product by Licensee, its 
Affiliates, sublicensees and distributors with respect to which such payments 
are due or credits are taken; provided, however, that if Licensee shall not 
have received from any foreign sublicensee or distributor a report of its 
sales, then such sales may be included in the next quarterly report.  In case 
no payment is due for any calendar quarter, Licensee shall so report.  
Licensee shall keep accurate records in sufficient detail to enable the 
payments due hereunder to be determined.


                                        8
<PAGE>

The report for the last quarter of each calendar year also shall include the 
calculation of any Guaranteed Payment due under Section 3.2.

          6.2  REVIEW BY ACCOUNTANTS.  At Licensor's request, Licensee shall 
permit an independent public accountant selected by Licensor to have access, 
once in each calendar year during regular business hours and upon reasonable 
notice to Licensee, to such of the records of Licensee as may be necessary to 
verify the accuracy of the reports and payment made under this Agreement, but 
said accountant shall not disclose to Licensor any information except that 
which should properly have been contained in such reports.  The right of 
review of each quarterly account shall terminate two years after Licensor's 
receipt thereof.

     7.   TIMES AND CURRENCIES OF PAYMENTS

           7.1  PAYMENTS.  Payments shown by each calendar quarter report to 
have accrued shall be due and payable on the date such report is due and 
shall be paid in United States dollars.  Any and all taxes due or payable on 
such payments or with respect to the remittance thereof shall be deducted 
from such payments and shall be paid by Licensee to the proper taxing 
authorities, and proof of payment shall be secured and sent to Licensor as 
evidence of such payment.  The rate of exchange to be used in computing the 
amount of the United States dollars due to Licensor in satisfaction of 


                                        9
<PAGE>

payment obligations with respect to sales in foreign countries shall be 
calculated at the exchange ratio set by Citibank N.A., New York, New York for 
the purchase of United States dollars with the currency of the country of 
origin of such payment on the last business day of the calendar quarter for 
which payment is being made. Settlement of payment obligations shall be made 
by bank wire transfers.

          7.2  CERTAIN FOREIGN PAYMENTS.  If governmental regulations prevent 
remittance from any foreign country of any amounts due under Section 3 in 
respect of that country, Licensee shall so notify Licensor in writing, and 
the obligation under this Agreement to make payments in respect of sales in 
that country shall be suspended (but the amounts due but not paid shall 
continue to accrue) until such remittances are possible.  Licensor shall have 
the right, upon written notice to Licensee, to receive payment in any such 
country in the local currency.

          7.3  LATE PAYMENTS.  Any payments due hereunder that are not made 
when due shall bear interest at the lesser of 18% per annum or the maximum 
rate as may be allowed by law, beginning on the date when Licensor has 
notified Licensee that such payments are overdue.

     8.   PATENTS

          8.l  NOTICE OF PATENTS.  Licensor shall advise Licensee of the 
issuance, lapse, revocation, surrender,


                                       10
<PAGE>

invalidation or abandonment of any patent included in Patent Rights; 
provided, however, that Licensor shall not revoke, surrender, abandon or 
permit to lapse any such patent without 60 days prior written notice to 
Licensee of its intention to do so.  In the event of such notice, Licensee 
shall have the right to continue the prosecution or maintenance of any such 
patent at its own expense, and such patent shall thereafter be licensed to 
Licensee on a royalty-free basis.

          8.2  PATENT INFRINGEMENT.

               (a)  If a third party infringes, by the manufacture or sale of 
a Product competitive with the Licensed Product in any country, any patent 
included within Patent Rights, Licensee may, at its own expense and with the 
right to all recoveries, bring legal action to restrain such infringement and 
for damages.  If Licensee fails to take the necessary steps to restrain such 
infringement by litigation or otherwise, and if such infringing product 
achieves a sales volume equal to ten percent of the sales volume of the 
Licensed Product sold by Licensee, its Affiliates, sublicensees and 
distributors in the country, then Licensor may institute, in its own name, at 
its own expense and with the right to all recoveries, such litigation or 
other appropriate action as it may deem necessary to terminate such 
infringement, provided that Licensor has first given to Licensee 60 days 
advance notice of its intention to take such action, and, provided further, 
that Licensee has not itself taken appropriate action during such 60-day 
period.


                                       11
<PAGE>

               (b)  If Licensor desires to bring such action in accordance 
with this Section 8, Licensee agrees to cooperate fully with Licensor.  
Licensor shall indemnify Licensee against liability for any costs awarded to 
the third party.  If the third party in any such action brings a 
counteraction for invalidation or misuse of a patent included within Patent 
Rights, Licensor promptly shall notify Licensee and Licensee may, within 180 
days of the notification, join and participate in such action at its own 
expense.

               (c)  Each party agrees not to settle any action it brings in a 
manner that is prejudicial to any patent included within Patent Rights 
without the other party's prior written approval.

     9.   EFFECTIVE DATE AND TERM

          This Agreement will become effective on the day and year first 
above written in accordance with Section 2.3 of the Option Agreement and, 
unless terminated in accordance with any of the provisions hereof, shall 
remain in full force and effect thereafter; provided, however, that the 
obligation to make payments under Section 3 hereof shall terminate as set 
forth in Section 3.

     10.  DISCLAIMERS.

          LICENSOR DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY (i) THAT THE 
PARTNERSHIP TECHNOLOGY OR THE USE THEREOF OR THE LICENSED PRODUCT WILL BE 
FREE FROM CLAIMS OF PATENT INFRINGEMENT, INTERFERENCE OR UNLAWFUL USE OF 
PROPRIETARY INFORMATION OF ANY THIRD PARTY AND (ii) OF THE ACCURACY, 


                                       12
<PAGE>

RELIABILITY, TECHNOLOGICAL OR COMMERCIAL VALUE, COMPREHENSIVENESS OR 
MERCHANTABILITY OF THE PARTNERSHIP TECHNOLOGY OR THE LICENSED PRODUCT OR 
THEIR SUITABILITY OR FITNESS FOR ANY PURPOSE WHATSOEVER INCLUDING, WITHOUT 
LIMITATION, THE DESIGN, DEVELOPMENT, MANUFACTURE, USE OR SALE OF THE LICENSED 
PRODUCT.  LICENSOR DISCLAIMS ALL OTHER WARRANTIES OF WHATEVER NATURE, EXPRESS 
OR IMPLIED.

     11.  TERMINATION.

          11.1 Licensor may, in its discretion, terminate this Agreement in the
event that Licensee:

               (a)  breaches any material obligation hereunder and such 
breach continues for a period of 60 days after written notice thereof; or

               (b)  enters into any proceeding, whether voluntary or 
otherwise, in bankruptcy, reorganization or arrangement for the appointment 
of a receiver or trustee to take possession of Licensee's assets or any other 
proceedings under any law for the relief of creditors or makes an assignment 
for the benefit of its creditors.

          11.2 CONSEQUENCES OF TERMINATION.  Termination of this Agreement 
for any reason shall be without prejudice to:

               (i)  the obligations of confidentiality provided in Section 5;

               (ii) the rights and obligations provided for in Section 6;


                                       13
<PAGE>

               (iii)Licensor's right to receive all payments accrued under
          Section 3 prior to the effective date of such termination; and

               (iv) any other remedies which either party may then or thereafter
          have hereunder or otherwise.

If Licensor terminates this Agreement pursuant to this Section 11, Licensee 
shall (i) cease to use the Partnership Technology and Confidential 
Information received from Licensor hereunder, (ii) discontinue production of 
the Licensed Product and (iii) return to Licensor all documents and materials 
containing Confidential Information and Partnership Technology supplied by 
Licensor hereunder.

     12.  ASSIGNMENT

          Licensee may assign its rights under this Agreement to any 
Affiliate or any third party with which Licensee is merged or consolidated or 
by which Licensee is acquired or which purchases, directly or indirectly, all 
or substantially all of its assets.  Licensee may assign its rights hereunder 
in whole or in part with the prior written consent of Licensor, which consent 
shall not be withheld unreasonably; provided, however, that any successor 
shall execute an agreement, in form reasonably satisfactory to Licensor, 
assuming each of Licensee's obligations hereunder.  This Agreement shall not 
otherwise be assignable by Licensee without the prior written consent of 
Licensor.


                                       14
<PAGE>

     13.  ARBITRATION

          13.1 DISPUTES; SERVICE.  In case any dispute arises out of this 
Agreement, the parties will endeavor to settle such dispute amicably.  If the 
parties fail to agree, any such dispute shall be finally settled by 
arbitration conducted in San Francisco, California in accordance with the 
then existing rules of the American Arbitration Association, and judgment 
upon the award rendered by the arbitrators may be entered in any court having 
jurisdiction thereof.  The parties hereby agree that service of any notices 
in the course of such arbitration at their respective addresses as provided 
in Section 14 of this Agreement shall be valid and sufficient.

          13.2 ARBITRATORS.  In any arbitration pursuant to Section 13.1, the 
award shall be rendered by a majority of the members of a board of 
arbitration consisting of three members, all of whom will be appointed by the 
parties jointly or, if the parties cannot agree as to three arbitrators 
within 30 days after commencement of the arbitration proceeding, one 
arbitrator shall be appointed by each party within 45 days after the 
commencement of the arbitration proceeding, and the third shall be appointed 
by mutual agreement of the two appointed arbitrators, In the event of failure 
of said two arbitrators to agree upon the third arbitrator within 75 days 
after commencement of the arbitration proceeding, the third arbitrator shall 
be appointed by the American Arbitration 


                                       15
<PAGE>

Association in accordance with its then existing rules.  Notwithstanding the 
foregoing, if any party shall fail to appoint an arbitrator within the 
specified time period, such arbitrator as well as the third arbitrator shall 
be appointed by the American Arbitration Association in accordance with its 
then existing rules.  For the purposes of this Section 13.2, the 
"commencement of arbitration proceeding" shall be deemed to be the date upon 
which a written demand for arbitration is received by one party from the 
other.

     14.  NOTICES

          Any notice or other communication required or permitted to be given 
to either party under this Agreement shall be in writing and shall be 
delivered by hand or registered mail, postage prepaid and return receipt 
requested, addressed to each party at the following addresses or such other 
addresses as may be designated by notice pursuant to this Section 14:

     If to Licensor:               ALZA TTS RESEARCH PARTNERS, LTD.
                                   c/o ALZA Development Corporation
                                   950 Page Mill Road
                                   Palo Alto, California  94304
                                   Attention:  President

     If to Licensee:               ALZA CORPORATION
                                   950 Page Mill Road
                                   Palo Alto, California  94304
                                   Attention:  President

Any notice or communication given in conformity with this Section 14 shall be 
deemed to be effective when received by the


                                       16
<PAGE>

addressee, if delivered by hand, and five days after mailing, if mailed.

     15.  COUNTERPARTS

          This Agreement may be executed in any number of counterparts, each 
of which when so executed shall be deemed to be an original and all of which 
when taken together shall constitute this Agreement.

     16.  GOVERNING LAW

          This Agreement shall be governed by and construed in accordance 
with the laws of the State of California as applied between residents of that 
state entering into contracts wholly to be performed in that state.

     17.  SEVERABILITY

          If any provision of this Agreement shall be held by a court of
competent jurisdiction to be invalid, void or unenforceable, the remaining
provisions shall nevertheless, continue in full force without being impaired or
invalidated in any way.

     18.  AMENDMENTS.

          No amendment, modification or addition hereto shall be effective or
binding on either party unless set forth in writing and executed by a duly
authorized representative of the party to be charged.

     19.  WAIVER.

          No waiver of any right under this Agreement shall be deemed 
effective unless contained in a writing signed 


                                       17
<PAGE>

by the party charged with such a waiver, and no waiver of any breach or 
failure to perform shall be deemed to be a waiver of any future breach or 
failure to perform or of any other right arising under this Agreement.

     20.  HEADINGS.

          The section headings contained in this Agreement are included for
convenience only and form no part of the agreement between the parties.


     21.  NO EFFECT ON OTHER AGREEMENTS.

          No provision of this Agreement shall be construed so as to negate,
modify or affect in any way the provisions of any other agreement between the
parties unless specifically referred to, and only as specifically provided, in
such other agreements.

          IN WITNESS WHEREOF, the parties have executed this Agreement on the
date first set forth above.


                              ALZA TTS RESEARCH PARTNERS, LTD.
                                By Alza Development corporation
                                  its General Partner

                              By: /s/ none
                                  ---------------------------
                                  President

                              ALZA Corporation

                              By: /s/ none
                                  ---------------------------
                                  President


                                       18
<PAGE>
                                   SCHEDULE A


THE PRODUCT:  

DATE ON WHICH THIS LICENSE BECOMES NONEXCLUSIVE:

<PAGE>
                                   SCHEDULE B

                                    PATENTS


<PAGE>
                                                               Exhibit 13







                        ALZA TTS RESEARCH PARTNERS, LTD.
                            (A limited partnership)

                 FINANCIAL STATEMENTS AND ADDITIONAL INFORMATION

                               FOR THE YEARS ENDED
                           DECEMBER 31, 1996 AND 1995

                                     with

                REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

<PAGE>

               REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


The Partners
ALZA TTS Research Partners, Ltd.
(A limited partnership)

We have audited the accompanying statements of assets, liabilities and 
partners' capital (deficit) of ALZA TTS Research Partners, Ltd. as of 
December 31, 1996 and 1995, and the related statements of revenue collected 
and expenses, partners' capital (deficit) and cash flows for each of the 
three years in the period ended December 31, 1996.  These financial 
statements are the responsibility of the Partnership's management.  Our 
responsibility is to express an opinion on these 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.

As described in Note 1, these financial statements have been prepared on a 
modified basis of cash receipts and disbursements, which is a comprehensive 
basis of accounting other than generally accepted accounting principles.

In our opinion, the financial statements referred to above present fairly, in 
all material respects, the assets, liabilities and partners' capital 
(deficit) of ALZA TTS Research Partners Ltd., at December 31, 1996 and 1995, 
and its revenue collected and expenses and cash flows for each of the three 
years in the period ended December 31, 1996, on the basis of accounting 
described in Note 1.

Our audits were conducted for the purpose of forming an opinion on the basic 
financial statements taken as a whole.  The accompanying additional 
information is prepared on a federal income tax basis and is presented for 
purposes of additional analysis and is not a required part of the basic 
financial statements.  Such additional information has been subjected to the 
auditing procedures applied in our audits of the basic financial statements 
and, in our opinion, is fairly stated in all material respects in relation to 
the basic financial statements taken as a whole.

                                        /s/ Ernst & Young LLP
                                        ---------------------
                                          Ernst & Young LLP

Palo Alto, California
February 13, 1997


<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                            (A limited partnership)

                      Statements of Assets, Liabilities, and
                            Partners' Capital (Deficit)

<TABLE>
<CAPTION>
                                                  December 31,    December 31,
ASSETS                                                1996            1995
                                                  ------------    ------------
<S>                                               <C>             <C>
Current assets:
  Cash                                            $     77,586    $     48,245  
                                                  ------------    ------------
                                                  ------------    ------------


LIABILITIES AND PARTNERS' CAPITAL (DEFICIT)

Current liabilities:
 Payable to ALZA Corporation                      $    146,381    $    227,446


Partners' capital (deficit):
 Class A Limited Partners,
   3,200 units outstanding                            (69,904)        (336,732)
 Class B Limited Partner                                1,805          159,343  
 General Partner                                         (696)          (1,812)
                                                 ------------     ------------
  
   Total partners' deficit                            (68,795)        (179,201)
                                                 ------------     ------------
  
                                                 $     77,586     $     48,245  
                                                 ------------     ------------
                                                 ------------     ------------
</TABLE>


                          See accompanying notes.

                                     -2-
<PAGE>

                          ALZA TTS RESEARCH PARTNERS, LTD.
                              (A limited partnership)

                     Statements of Revenue Collected and Expenses
                     Years ended December 31, 1996, 1995 and 1994

<TABLE>
<CAPTION>
                                         1996             1995             1994
                                    --------------    -------------    ------------
<S>                                  <C>              <C>              <C>
REVENUE:

  Royalty income                     $ 6,265,401      $ 4,441,708       $ 3,167,914
  Interest income                         28,995           20,192            10,398
                                     -----------      -----------       -----------

    Total revenue                      6,294,396        4,461,900         3,178,312

EXPENSES:

  General and administrative              86,548          100,253           95,452
                                     -----------      -----------      -----------


NET INCOME                           $ 6,207,848      $ 4,361,647      $ 3,082,860
                                     -----------      -----------      -----------
                                     -----------      -----------      -----------

ALLOCATION OF NET INCOME:

    General Partner                  $    62,079     $    43,616      $    30,828
    Class A Limited Partners           6,035,020       4,318,031        3,052,032
    Class B Limited Partner              110,749               -                -
                                     -----------     -----------      -----------
                                     $ 6,207,848     $ 4,361,647      $ 3,082,860
                                     -----------     -----------      -----------
                                     -----------     -----------      -----------
</TABLE>


                              See accompanying notes.

                                     -3-
<PAGE>

                          ALZA TTS RESEARCH PARTNERS, LTD.
                              (A limited partnership)

                      Statements of Partners' Capital (Deficit)
                    Years ended December 31, 1996, 1995 and 1994

<TABLE>
<CAPTION>
                                                                   Total
                      Class A        Class B                      Partners'
                      Limited        Limited        General       Capital
                      Partners       Partner        Partner       (Deficit)    
                   -------------  ------------   -------------  -------------
<S>                <C>            <C>            <C>            <C>
BALANCE
  DECEMBER 31,
  1993             $   (764,075)  $   482,259   $    (2,883)    $  (284,699)

Net income            3,052,032             -        30,828       3,082,860  

Payments to 
  Partners           (2,868,864)     (133,435)      (30,309)     (3,032,608)
                   ------------   -----------   -----------     -----------
BALANCE
  DECEMBER 31,
  1994                 (580,907)      348,824        (2,364)       (234,447)

Net income            4,318,031             -        43,616       4,361,647  

Payments to 
  Partners           (4,073,856)     (189,481)      (43,064)     (4,306,401)
                   ------------   -----------   -----------     -----------
BALANCE
  DECEMBER 31,
  1995                 (336,732)      159,343        (1,812)       (179,201)

Net income            6,035,020       110,749        62,079       6,207,848

Payments to
   Partners          (5,768,192)     (268,287)      (60,963)     (6,097,442)
                   ------------   -----------   -----------     -----------
BALANCE
   DECEMBER 31,
   1996            $    (69,904)  $     1,805   $      (696)    $   (68,795)
                   ------------   -----------   -----------     -----------
                   ------------   -----------   -----------     -----------
</TABLE>

                              See accompanying notes.


                                     -4-
<PAGE>

                          ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                             Statements of Cash Flows 
                     Years ended December 31, 1996, 1995 and 1994
                             Increase (Decrease) in Cash 

<TABLE>
<CAPTION>
                                                1996               1995             1994
                                            ------------       ------------    --------------
<S>                                         <C>                <C>              <C>
Cash flows from operating activities:

   Net income                               $ 6,207,848        $  4,361,647     $  3,082,860

   Adjustments to reconcile net 
    income to net cash 
    used in operating activities:
      Decrease in liabilities:
         Payable to ALZA Corporation            (81,065)            (35,156)         (39,854)

   Payments to partners                      (6,097,442)         (4,306,401)      (3,032,608)
                                            -----------        ------------     ------------
 
Net increase in cash                             29,341              20,090           10,398  
 
Cash at beginning of year                        48,245              28,155           17,757  
                                            -----------        ------------     ------------

Cash at end of year                         $    77,586        $     48,245     $     28,155  
                                            -----------        ------------     ------------
                                            -----------        ------------     ------------
</TABLE>


                           See accompanying notes.


                                     -5-
<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

    ALZA TTS Research Partners, Ltd. (the "Partnership") was 
    formed on December 30, 1982 to conduct research and 
    development of products combining ALZA Corporation's ("ALZA") 
    proprietary transdermal therapeutic system technology with 
    certain generic compounds.  On April 22, 1983 the closing of 
    the sale to the public of Class A Limited Partnership 
    interests took place.  At December 31, 1996 and 1995, the 
    capital consisted of 3,200 Class A Limited Partnership units 
    which had been sold for $5,000 each, an original investment by 
    the Class B Limited Partner of $750,000 (paid as follows: 
    $250,000 in 1983, $250,000 in 1984 and $250,000 in 1985) and 
    an original investment by the General Partner (ALZA 
    Development Corporation, a wholly-owned subsidiary of ALZA 
    Corporation) of $169,192.  Under the terms of the Agreement of 
    Limited Partnership (the "Partnership Agreement"), net losses 
    were allocated as follows:  first, 1% to the General Partner 
    and 99% to the Class A Limited Partners and then, after the 
    capital account of the Class A Limited Partners was reduced to 
    zero, 1% to the General Partner and 99% to the Class B Limited 
    Partner.  After the capital accounts of the Class A and Class 
    B Limited Partners were reduced to zero, losses were allocated 
    100% to the General Partner.

    Under the terms of the Partnership Agreement, net income 
    is allocated in the inverse order of the losses previously 
    allocated.  To the extent losses were allocated 100% to the 
    General Partner, net income was allocated 100% to the General 
    Partner in an amount equal to such losses prior to any 
    allocation of net income to the Class A and Class B Limited 
    Partners.  Then, to the extent losses were allocated 99% to 
    the Class B Limited Partner, any net income was allocated 99% 
    to the Class B Limited Partner (and 1% to the General Partner) 
    in an amount equal to such losses prior to any net income 
    being allocated to the Class A Limited Partners.  Then, to the 
    extent losses were allocated 99% to the Class A Limited 
    Partners, net income was allocated 99% to the Class A Limited 
    Partners (and 1% to the General Partner.)  As provided in the 
    Partnership Agreement, once the amount of net income allocated 
    to the Class A Limited Partners and the General Partner 
    equaled previously allocated losses (which occurred in the 
    third quarter of 1996), subsequent income began to be 
    allocated 99% to the Class A and Class B Limited Partners, pro 
    rata, and 1% to the General Partner.

    The General Partner is required by the Partnership 
    Agreement to distribute, on a quarterly basis, all of the 
    Partnership's Excess Cash (which consists of all cash received 
    by the Partnership less all amounts expended in the conduct of 
    the Partnership's business, including administrative expenses, 
    and working capital) in proportion to the Partners' respective 
    capital contribution percentages.  Therefore, the amount 
    available for distribution to the limited partners is net of 
    ongoing administrative costs (primarily


                                     -6-
<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (CONT'D)

    accounting and legal expenses, quarterly reports, tax returns and 
    auditor's reports). Given the methodology for the allocation of 
    losses and income as discussed above, deficit balances have 
    resulted in the Class A Limited Partners' and General Partner's 
    capital accounts and will continue until future allocated income 
    exceeds cumulative cash distributions required of the General 
    Partner.

    All available Partnership development funds were utilized 
    before 1988.  In 1987, ALZA exercised its continuation option, an 
    option granted to it by the Partnership, to continue the 
    development of all Partnership products without Partnership 
    funding.  Duragesic-Registered Trademark- (fentanyl transdermal 
    system) CII and Testoderm-Registered Trademark-   (testosterone 
    transdermal system) CIII were completed by ALZA under the 
    continuation option.  Duragesic-Registered Trademark- has been 
    cleared for marketing in the United States and in more than 30 
    additional countries, including several in each of Europe, South 
    America and Asia (excluding Japan). Testoderm-Registered Trademark- 
    has been cleared for marketing in the United States, China, Singapore 
    and in more than ten European countries.  For products at earlier 
    stages of development, no arrangements have been made with development 
    partners, and further activities are not contemplated at this time.

    ALZA has an option, exercisable for limited periods, to acquire 
    worldwide licenses to manufacture and market, or sublicense to 
    others, any or all products developed by the Partnership.  ALZA has 
    exercised its option to acquire worldwide licenses (with the right 
    to sublicense) for the Duragesic-Registered Trademark- and 
    Testoderm-Registered Trademark- products.  These licenses are 
    exclusive for each product until thirteen years after the actual 
    reduction to practice of such product and will become non-exclusive 
    thereafter.  For Testoderm-Registered Trademark-, the period of 
    ALZA's exclusivity ends on July 26, 1998. For Duragesic-Registered 
    Trademark-, the period of ALZA's exclusivity ends on December 4, 
    1998.

    If ALZA's license for a product becomes nonexclusive, the 
    General Partner will need to determine whether to appoint 
    others to market and sell the product.  Under ALZA's agreement 
    with Janssen covering the Duragesic-Registered Trademark- 
    product, if the product were to be introduced by a third party 
    after ALZA's loss of exclusivity from the Partnership, ALZA's 
    royalty rate due from Janssen with respect to 
    Duragesic-Registered Trademark- would drop significantly.  The 
    Partnership's right to receive 4% of net sales from ALZA would 
    not change.  ALZA Development Corporation, a wholly-owned 
    subsidiary of ALZA, might have a conflict of interest in 
    connection with any Partnership decision as to whether the 
    product should be licensed to a third party in addition to 
    ALZA.

    The General Partner has an option (the "Purchase Option"), 
    exercisable at any time, to purchase all (but not less than 
    all) of the Limited Partners' interests in the Partnership.       


                                     -7-
<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (CONT'D)

    The exercise price is $120 million, less "Excess Cash" distributed 
    to the Limited Partners. The exercise price may be paid in cash, 
    ALZA common stock, or a combination, at the General Partner's 
    option.  The General Partner is under no obligation to exercise the 
    Purchase Option and the General Partner will exercise the Purchase 
    Option only if ALZA deems such exercise to be in its best interest. 
    The General Partner has not made a determination as to whether to 
    exercise the Purchase Option.

    A summary of the Partnership's significant accounting policies follows:

    Research and Development:

    Until 1987, when Partnership funds had been fully expended, the 
    Partnership funded research and development costs quarterly, in 
    advance, in an amount equal to ALZA's estimate of the research and 
    development costs to be incurred by ALZA during the next quarter.  
    Research and development expense was recognized by the Partnership 
    during the period in which work was performed by ALZA.

    Royalty income:

    Janssen Pharmaceutica, Inc. (together with its affiliates, 
    "Janssen"), a subsidiary of Johnson and Johnson, began marketing 
    Duragesic-Registered Trademark- in the United States during the 
    second quarter of 1991, and in Canada during the second quarter of 
    1992.  In addition, Janssen has launched Duragesic-Registered 
    Trademark- in more than 20 other countries, including several in 
    each of Europe, South America and Asia (excluding Japan).  During 
    the second quarter of 1994, ALZA, through its sales and marketing 
    division, ALZA Pharmaceuticals, began co-promoting 
    Duragesic-Registered Trademark- in the United States with Janssen.  
    As provided by the agreement between ALZA and Janssen, quarterly 
    sales reports and the resulting payments to ALZA on 
    Duragesic-Registered Trademark- sold by Janssen are due no later 
    than 90 days after the end of each quarter.

    In April 1994, ALZA, through ALZA Pharmaceuticals, began marketing 
    Testoderm-Registered Trademark- in the United States.  The product 
    will be marketed by one or more distributors outside the United 
    States.  Commercialization agreements for Testoderm-Registered 
    Trademark-  have been signed with Scitech Genetics Limited, in 1995, 
    covering Bangladesh, Brunei, Burma, India, Indonesia, Malaysia, 
    Pakistan, Philippines, Singapore, South Korea, Sri Lanka, Thailand 
    and Vietnam and with Pharmagenesis, Inc., also in 1995, covering 
    China, Hong Kong, Macau and Taiwan.  Scitech Genetics launched 
    Testoderm-Registered Trademark- in Singapore in January 


                                     -8-
<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (CONT'D)

    1997. As provided by the agreements between ALZA and Scitech and 
    ALZA and Pharmagenesis, quarterly sales reports and the resulting 
    payments to ALZA on Testoderm-Registered Trademark- sold by Scitech 
    and Pharmagenesis are due within 45 days after the end of each 
    quarter.

    During the fourth quarter of 1996, ALZA signed an agreement with 
    Ferring NV pursuant to which Ferring has the rights to market 
    Testoderm-Registered Trademark- in Austria, Belgium, Denmark, 
    Finland, Germany, Ireland, Luxembourg, the Netherlands, Norway, 
    Sweden, Switzerland and the United Kingdom.  As provided by the 
    agreement between ALZA and Ferring, quarterly sales reports and 
    the resulting payments to ALZA on Testoderm-Registered Trademark- 
    sold by Ferring will be due within 45 days after the end of the 
    quarter.  The Partnership received a license fee of $250,000 from 
    ALZA pursuant to the terms of the License Agreement between the 
    Partnership and ALZA for Testoderm-Registered Trademark-.

    Agreements between ALZA and the Partnership provide for ALZA to 
    report sales and make associated royalty payments to the 
    Partnership within 90 days after the end of the quarter in which 
    ALZA receives payment from Janssen on sales of Duragesic-Registered 
    Trademark-.  In addition, within 90 days after the end of each 
    calendar quarter, ALZA reports sales and makes associated royalty 
    payments to the Partnership with respect to ALZA's sales of 
    Testoderm-Registered Trademark- in the United States during such 
    quarter.  Under these agreements, the Partnership is entitled to 
    receive 4% of net sales of Duragesic-Registered Trademark- and 
    Testoderm-Registered Trademark-.

    The Partnership currently records income in the quarter in which 
    cash is received.  The Partnership maintains its books using a 
    modified basis of cash receipts and disbursements which is 
    different from accrual basis accounting in that royalty revenues 
    are not recognized until the related cash is received.

    Distributions:

    After payment of the Partnership expenses, distributions to the 
    partners by the Partnership are to be made on a quarterly basis as 
    soon as practicable after the end of each calendar quarter in which 
    the Partnership receives a payment from ALZA.

    According to the Partnership Agreement, quarterly distributions to 
    the Limited Partners consist of Excess Cash, which consists of all 
    cash received by the Partnership less all amounts expended in the 
    conduct of the Partnership's business, including administrative 
    expenses, and working capital.  Therefore, the amount available for 
    distribution to the Limited Partners is net of ongoing 
    administrative expenses.  These 


                                     -9-
<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

1.  ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (CONT'D)

    costs have been advanced by ALZA on behalf of the Partnership since 
    December 1987 at which time all Partnership funds had been 
    utilized. Initially, ALZA had agreed that the Partnership could 
    reimburse these costs to ALZA at the rate of $5.00 per Partnership 
    unit per quarter, which were deducted from Excess Cash from 
    December 1991 through December 1993. In March 1994, the quarterly 
    rate was increased to $10.00 per Partnership unit.  In June 1996, 
    it was determined that a further increase in the reimbursement rate 
    was necessary to fully reimburse ALZA for past administrative costs 
    on a more timely basis.  Therefore, beginning with the September 
    1996 distribution, a quarterly deduction has been made from Excess 
    Cash in an amount equal to the actual adminstrative expenses of the 
    Partnership for the previous quarter plus $10.00 per Partnership 
    unit to repay past administrative costs.  ALZA has not charged any 
    interest on the past due amounts.  At the rate of $10.00 per 
    Partnership unit per quarter, all unpaid past administrative costs 
    (totalling $116,691 as of December 31, 1996) are expected to be 
    repaid by the fourth quarter of 1997.

    Income taxes:

    Income or loss of the Partnership is included in the tax returns of 
    the individual partners. Accordingly, no provision for income taxes 
    has been made by the Partnership.

2.  TAX BASIS

    Prior to fiscal year 1994, the Partnership's income tax reporting 
    method was consistent with the modified basis of cash receipts and 
    disbursements method used for financial reporting purposes.

    The Partnership applied to the Internal Revenue Service ("IRS") to 
    change its income tax reporting method to the accrual basis, 
    effective January 1, 1994.  The IRS accepted the application and 
    agreed to the Partnership making a one time adjustment to be 
    recognized over three years, beginning in 1994.  The application 
    was filed to change the Partnership's income tax reporting method 
    to a method consistent with the current Internal Revenue Code.

    The following is a reconciliation of partners' deficit for 
    financial reporting purposes, as described in this report, to the 
    partners' capital for federal income tax reporting purposes. The 
    current difference between the financial and tax basis statements 
    is due to i) the deferred revenue resulting from the accounting 
    method change (see paragraph below), ii) royalty and license income 
    accrued to be consistent with the accounting 


                                     -10-
<PAGE>
                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

     method change and iii) the syndication costs, which reduce 
     partners' capital for financial reporting purposes but which are 
     recorded as an asset for tax purposes.

     
     Partners' deficit for financial reporting
       purposes at December 31, 1996                    $   (68,795) 

     Deferred Revenue - Section 481(a) adjustment
       due to accounting method change 
       (Total adjustment $1,123,277; 1994
       adjustment $374,426; 1995 adjustment
       $374,426; 1996 adjustment $374,425)                       0

     Accounts Receivable - Accrued royalty 
       and license revenue                               3,911,256  

     Syndication costs charged to partners'
       capital for financial purposes                    1,810,059  
                                                     -------------
     Partners' capital for tax reporting
       purposes at December 31, 1996                 $  5,652,520
                                                     -------------
                                                     -------------

3.   RELATED PARTIES

     ALZA Development Corporation, a wholly-owned subsidiary of 
     ALZA, is the general partner of the Partnership.

     ALZA, under a research and development contract, performed all 
     research and development for the Partnership.  The Partnership 
     requires certain administrative, accounting, contract management 
     and record keeping services which are presently being provided by 
     ALZA and billed to the Partnership at ALZA's standard 
     administrative services rate ($86,548 for 1996, $100,253 for 1995 
     and $95,452 for 1994).

4.   CONTINGENT LIABILITIES

     ALZA performed research and development work during 1987 
     amounting to $78,789. This amount has not been accrued for and will 
     not be accrued for unless and until the Partnership has additional 
     funding as provided in the Partnership Agreement.  This accrual was 
     not made because the Partnership was required under the research and


                                     -11-
<PAGE>

                         ALZA TTS RESEARCH PARTNERS, LTD.
                             (A limited partnership)

                          Notes to Financial Statements
                                December 31, 1996

development contract with ALZA to pay only its Total Funds (as defined in the 
research and development contract).


                                     -12-
<PAGE>







                            ADDITIONAL INFORMATION


                                     -13-
<PAGE>


                           ALZA TTS RESEARCH PARTNERS, LTD.
                               (A limited partnership)

                Statements of Assets, Liabilities, and Partners' Capital
                                 (Income tax basis)

<TABLE>
<CAPTION>
                                               December 31,       December 31,
ASSETS                                             1996               1995    
                                               ------------       ------------
<S>                                            <C>                <C>
Current assets:

  Cash                                         $     77,586      $      48,245

  Accounts receivable from ALZA Corporation       3,911,256          2,688,432
                                               ------------      -------------

Total current assets                              3,988,842          2,736,677

Syndication costs                                 1,810,059          1,810,059
                                               ------------      -------------

Total Assets                                   $  5,798,901      $   4,546,736
                                               ------------      -------------
                                               ------------      -------------

LIABILITIES AND PARTNERS' CAPITAL

Current liabilities:
  Payable to ALZA Corporation                  $    146,381      $    227,446

  Deferred revenue - Section 481(a)
    adjustment due to accounting
    method change (Note 2)                                -            374,425
                                               ------------      -------------

Total current liabilities                           146,381            601,871

Partners' capital:
  Class A Limited Partners                        5,341,728          3,665,728
  Class B Limited Partner                           254,267            239,710
  General Partner                                    56,525             39,427
                                               ------------      -------------

Total partners' capital                           5,652,520          3,944,865
                                               ------------      -------------

Total Liabilities and Partners' Capital        $  5,798,901      $   4,546,736
                                               ------------      -------------
                                               ------------      -------------
</TABLE>


                                     -14-
<PAGE>

                    ALZA TTS Research Partners, Ltd.
                         (A limited partnership)

                        Statements of Operations
                           (Income tax basis)

              Years ended December 31, 1996, 1995 and 1994
<TABLE>
<CAPTION>
                                                           1996            1995             1994
                                                           ----            ----             ----
<S>                                                <C>             <C>               <C>
REVENUES:  

  Royalty income (includes $374,425 in 1996
    and $374,426 in both 1995 and 1994
    recognized due to the accounting 
    change in 1994)                                 $ 7,612,650     $ 5,595,628      $ 4,328,001
  License fee                                           250,000               -                -
  Interest income                                        28,995          20,192           10,398
                                                    -----------     -----------      -----------
    Total revenue                                     7,891,645       5,615,820        4,338,399

EXPENSES:

  General and administrative                             86,548         100,253           95,452
                                                    -----------     -----------      -----------
INCOME BEFORE CUMULATIVE
  EFFECT OF ACCOUNTING CHANGE                         7,805,097       5,515,567        4,242,947

CUMULATIVE EFFECT OF 
  ACCOUNTING CHANGE:

  Conversion from modified 
    cash to accrual basis, January 1, 1994                    -               -        1,123,277

  Less portion of above
    deferred to be recognized
    as revenue from 1994 through 1996                         -               -       (1,123,277)
                                                    -----------     -----------      -----------
  Effect of accounting
    change at December 31, 1994                               -               -                0
                                                    -----------     -----------      -----------
NET INCOME                                          $ 7,805,097     $ 5,515,567      $ 4,242,947
                                                    -----------     -----------      -----------
                                                    -----------     -----------      -----------
ALLOCATION OF NET INCOME:

  General Partner                                   $    78,061     $    55,151      $    42,435
  Class B Limited Partner                               282,844               -                -
  Class A Limited Partners                            7,444,192       5,460,416        4,200,512
                                                    -----------     -----------      -----------
                                                    $ 7,805,097     $ 5,515,567      $ 4,242,947
                                                    -----------     -----------      -----------
                                                    -----------     -----------      -----------
NET INCOME PER CLASS A 
  LIMITED PARTNERSHIP UNIT                          $  2,326.31     $  1,706.38      $  1,312.66
                                                    -----------     -----------      -----------
                                                    -----------     -----------      -----------
</TABLE>


                                     -15-
<PAGE>

                          ALZA TTS RESEARCH PARTNERS, LTD.
                              (A limited partnership)

                          Statements of Partners' Capital
                               (Income tax basis)
                  Years ended December 31, 1996, 1995 and 1994

<TABLE>
<CAPTION>
                             Class A         Class B                         Total
                             Limited         Limited        General        Partners'
                             Partners        Partner        Partner         Capital
                           ------------    ------------   ------------   --------------
<S>                        <C>             <C>             <C>             <C>   
BALANCE
 DECEMBER 31,
 1993                      $   947,520       $  562,626    $    15,214     $  1,525,360  

Net income                   4,200,512                -         42,435        4,242,947  
  
Payments to  
 Partners                   (2,868,864)        (133,435)       (30,309)      (3,032,608)
                           -----------       ----------    -----------      -----------

BALANCE
 DECEMBER 31,
 1994                        2,279,168          429,191         27,340        2,735,699  

Net income                   5,460,416                -         55,151        5,515,567  
 
Payments to  
 Partners                   (4,073,856)        (189,481)       (43,064)      (4,306,401)
                           -----------       ----------    -----------      -----------

BALANCE
 DECEMBER 31,
 1995                        3,665,728          239,710         39,427        3,944,865 

Net income                   7,444,192          282,844         78,061        7,805,097

Payments to 
 Partners                   (5,768,192)        (268,287)       (60,963)      (6,097,442)
                           -----------       ----------    -----------      -----------

BALANCE 
 DECEMBER 31,
 1996                      $ 5,341,728       $  254,267    $    56,525      $ 5,652,520
                           -----------       ----------    -----------      -----------
                           -----------       ----------    -----------      -----------
</TABLE>

                                     -16-


<PAGE>
                                                                Exhibit 23

      CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

     We consent to the incorporation by reference in this Annual Report (Form 
10-K) of ALZA TTS Research Partners, Ltd. of our report dated February 13, 
1997 included in the 1996 Financial Statements and Additional Information of 
ALZA TTS Research Partners, Ltd included at Exhibit 13.

                                    /s/ Ernst & Young LLP
                                    ---------------------
                                      Ernst & Young LLP


Palo Alto, California
March 26, 1997

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS INCLUDED IN ITEM 1 OF FORM 10-K DATED DECEMBER 31, 1996
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                              77
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                               0
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                      77
<CURRENT-LIABILITIES>                              146
<BONDS>                                              0
                                0
                                          0
<COMMON>                                             0
<OTHER-SE>                                        (69)
<TOTAL-LIABILITY-AND-EQUITY>                        77
<SALES>                                              0
<TOTAL-REVENUES>                                 6,294
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  6,208
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,208
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0
        

</TABLE>


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