Document:

EXHIBIT 10.15
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         SECURITIES PURCHASE AGREEMENT (this "Agreement"), dated as of February
15, 2001, among RxBazaar.com, Inc., a Delaware corporation (the "Company"), and
the investors signatory hereto (each such investor is a "Purchaser" and all such
investors are, collectively, the "Purchasers").

         WHEREAS, subject to the terms and conditions set forth in this
Agreement, the Company desires to issue and sell to the Purchasers and the
Purchasers, severally and not jointly, desire to purchase from the Company,
shares of the Company's Series A Convertible Preferred Stock, $.001 par value
per share (the "Preferred Stock"), which are convertible into shares of the
Company's common stock, $.001 par value per share (the "Common Stock").

         IN CONSIDERATION of the mutual covenants contained in this Agreement,
and for other good and valuable consideration the receipt and adequacy of which
are hereby acknowledged, the Company and the Purchasers agree as follows:

                                    ARTICLE I
                                PURCHASE AND SALE

         1.1      The Closing.

                  (a) The Closing. (i) Subject to the terms and conditions set
forth in this Agreement, the Company shall issue and sell to the Purchasers and
the Purchasers shall, severally and not jointly, purchase an aggregate of
3,133,333 shares of Preferred Stock (the "Shares") for an aggregate purchase
price of $4,700,000. The closing of the purchase and sale of the Preferred Stock
(the "Closing") shall take place at the offices of Robinson Silverman Pearce
Aronsohn & Berman LLP ("Robinson Silverman"), 1290 Avenue of the Americas, New
York, New York 10104, immediately following the execution hereof or such later
date as the parties shall agree. The date of the Closing is hereinafter referred
to as the "Closing Date."

                      (ii) On the Closing Date, the parties shall deliver or
shall cause to be delivered the following: (A) the Company shall deliver to each
Purchaser: (1) stock certificates, registered in the name of such Purchaser,
representing a number of Shares equal to the quotient obtained by dividing the
purchase price indicated below such Purchaser's name on the signature page to
this Agreement by 1.5, (2) a common stock purchase warrant in the form of
Exhibit D pursuant to which such Purchaser shall be entitled to purchase the
number of shares of Common Stock set forth therein (collectively, the
"Warrants") and (3) the legal opinion of Chu, Ring & Hazel LLP, outside counsel
to the Company in the form of Exhibit C; (B) the Company will deliver to
Kenilworth, LLC an executed Guaranty and Pledge Agreement, dated the date
hereof, among the Company, DynaGen, Inc. and Kenilworth LLC, in the form of
Exhibit E (the "Pledge Agreement"); and (C) each Purchaser shall deliver (1) the
purchase price indicated below such Purchaser"s name on the signature page to
this Agreement, in United States dollars in immediately available funds by wire
transfer to an account designated in writing by the Company for such purpose and
(2) an executed Pledge Agreement.
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         1.2 Terms of Preferred Stock. The Preferred Stock shall have the rights
preferences and privileges set forth in Exhibit A, and shall be incorporated
into a certificate of designation (the "Certificate of Designation") to be filed
prior to the Closing by the Company with the Secretary of State of Delaware, in
form and substance mutually agreed to by the parties.

         1.3 Certain Defined Terms. For purposes of this Agreement: (a) "Trading
Day" shall have the meanings set forth in Exhibit A, (b) "Business Day" shall
mean any day except Saturday, Sunday and any day which shall be a federal legal
holiday or a day on which banking institutions in the State of New York or the
Commonwealth of Massachusetts are authorized or required by law or other
governmental action to close, and (c) "Person" means an individual or
corporation, partnership, trust, incorporated or unincorporated association,
joint venture, limited liability company, joint stock company, government (or an
agency or subdivision thereof) or other entity of any kind.

                                   ARTICLE II
                         REPRESENTATIONS AND WARRANTIES

         2.1  Representations and Warranties of the Company. The Company hereby
make the following representations and warranties to the Purchasers:

                  (a) Organization and Qualification. The Company is a
corporation duly incorporated, validly existing and in good standing under the
laws of the State of Delaware, with the requisite corporate power and authority
to own and use its properties and assets and to carry on its business as
currently conducted. The Company has no subsidiaries other than as set forth in
Schedule 2.1(a) (collectively, the "Subsidiaries"). Each of the Subsidiaries is
an entity, duly incorporated or otherwise organized, validly existing and in
good standing under the laws of the jurisdiction of its incorporation or
organization (as applicable), with the requisite power and authority to own and
use its properties and assets and to carry on its business as currently
conducted. Each of the Company and the Subsidiaries is duly qualified to do
business and is in good standing as a foreign corporation in each jurisdiction
in which the nature of the business conducted or property owned by it makes such
qualification necessary, except where the failure to be so qualified or in good
standing, as the case may be, would not reasonably be expected to, individually
or in the aggregate, (x) adversely affect the legality, validity or
enforceability of the Securities (as defined below) or any of this Agreement,
the Certificate of Designation, the Pledge Agreement or the Warrants
(collectively, the "Transaction Documents"), (y) have or result in a material
adverse effect on the results of operations, assets, prospects, or condition
(financial or otherwise) of the Company and the Subsidiaries, taken as a whole,
or (z) adversely impair the Company's ability to perform fully on a timely basis
its obligations under any of the Transaction Documents (any of (x), (y) or (z),
a "Material Adverse Effect").

                  (b) Authorization; Enforcement. The Company has the requisite
corporate power and authority to enter into and to consummate the transactions
contemplated by each of the Transaction Documents and otherwise to carry out its
obligations thereunder. The execution and delivery of each of the Transaction
Documents by the Company and the consummation by it of the transactions
contemplated thereby have been duly authorized by all necessary corporate action
on the part of the Company. Each of the Transaction Documents has been duly
executed by the Company
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and, when delivered (or filed, as the case may be) in accordance with the terms
hereof, will constitute the valid and binding obligation of the Company
enforceable against the Company in accordance with its terms. Neither the
Company nor any of the Subsidiaries is in violation of any of the provisions of
its respective certificate or articles of incorporation, by-laws or other
organizational or charter documents.

                  (c) Capitalization. The number of authorized, issued and
outstanding capital stock of the Company is set forth in Schedule 2.1(c). Except
as disclosed in Schedule 2.1(c), the Company owns all of the capital stock of
each of the Subsidiaries. No shares of Common Stock are entitled to preemptive
or similar rights, nor is any holder of securities of the Company or of any of
the Subsidiaries entitled to preemptive or similar rights arising out of any
agreement or understanding with the Company or any of the Subsidiaries by virtue
of any of the Transaction Documents. Except as disclosed in Schedule 2.1(c) or
as a result of the purchase and sale of the Shares and the Warrants, there are
no outstanding options, warrants, script rights to subscribe to, calls or
commitments of any character whatsoever relating to, or securities, rights or
obligations convertible into or exchangeable for, or giving any Person any right
to subscribe for or acquire, any shares of Common Stock, or contracts,
commitments, understandings, or arrangements by which the Company or any of the
Subsidiaries is or may become bound to issue additional shares of Common Stock,
or securities or rights convertible or exchangeable into shares of Common Stock.

                  (d) Issuance of the Shares and the Warrants. The Shares and
the Warrants are duly authorized and, when issued and paid for in accordance
with the terms hereof, will be duly and validly issued, fully paid and
nonassessable, free and clear of all liens, encumbrances and rights of first
refusal of any kind (collectively, "Liens"). The Company has on the date hereof
and will, at all times while either the Shares or the Warrants are outstanding,
maintain an adequate reserve of duly authorized shares of Common Stock, reserved
for issuance to the holders of the Shares and the Warrants, to enable it to
perform its conversion, exercise and other obligations under this Agreement, the
Warrants and the Certificate of Designation. All such authorized shares of
Common Stock shall be duly reserved for issuance to the holders of the Shares
and the Warrants. The shares of Common Stock issuable upon conversion of the
Shares, payment of dividends thereon and exercise of the Warrants are referred
to herein as the "Underlying Shares." The Shares, the Warrants and the
Underlying Shares are collectively referred to herein as, the "Securities." When
issued in accordance with the Certificate of Designation and the Warrants, the
Underlying Shares will be duly authorized, validly issued, fully paid and
nonassessable, free and clear of all Liens.

                  (e) No Conflicts. The execution, delivery and performance of
the Transaction Documents by the Company and the consummation by the Company of
the transactions contemplated thereby do not and will not: (i) conflict with or
violate any provision of the Company's or any of the Subsidiaries' certificate
or articles of incorporation, bylaws or other charter documents (each as amended
through the date hereof), or (ii) subject to obtaining the Required Approvals
(as defined below), conflict with, or constitute a default (or an event which
with notice or lapse of time or both would become a default) under, or give to
others any rights of termination, amendment, acceleration or cancellation (with
or without notice, lapse of time or both) of, any agreement, credit facility,
debt or other instrument (evidencing a Company or any of the Subsidiaries' debt
or otherwise) or other understanding to which the Company or any of the
Subsidiaries is a party or by which any property or asset of the Company or any
of the Subsidiaries is bound or affected, or (iii)
<PAGE>
result in a violation of any law, rule, regulation, order, judgment, injunction,
decree or other restriction of any court or governmental authority to which the
Company or a Subsidiary is subject (including federal and state securities laws
and regulations), or by which any property or asset of the Company or a
Subsidiary is bound or affected; except in the case of each of clauses (ii) and
(iii), as would not reasonably be expected to, individually or in the aggregate,
have or result in a Material Adverse Effect. The business of the Company is not
being conducted in violation of any law, ordinance or regulation of any
governmental authority, except for violations which, individually or in the
aggregate, would not reasonably be expected to have or result in a Material
Adverse Effect.

                  (f) Filings, Consents and Approvals. Neither the Company nor
any Subsidiary is required to obtain any consent, waiver, authorization or order
of, give any notice to, or make any filing or registration with, any court or
other federal, state, local or other governmental authority or other Person in
connection with the execution, delivery and performance by the Company of the
Transaction Documents, other than (i) the filing of the Certificate of
Designation with the Secretary of State of Delaware, (ii) the filings required
pursuant to Section 3.10, (iii) applicable Blue Sky filings, and (iv) in all
other cases where the failure to obtain such consent, waiver, authorization or
order, or to give such notice or make such filing or registration would not
reasonably be expected to have or result in, individually or in the aggregate, a
Material Adverse Effect (collectively, the "Required Approvals").

                  (g) Litigation; Proceedings. There is no action, suit,
inquiry, notice of violation, proceeding or investigation pending or, to the
knowledge of the Company, threatened against or affecting the Company or any of
the Subsidiaries or any of their respective properties before or by any court,
arbitrator, governmental or administrative agency or regulatory authority
(federal, state, county, local or foreign) (collectively, a "Action") which: (i)
adversely affects or challenges the legality, validity or enforceability of any
of the Transaction Documents or the Securities or (ii) could, individually or in
the aggregate, have or result in a Material Adverse Effect.

                  (h) No Default or Violation. Neither the Company nor any
Subsidiary: (i) is in default under or in violation of (and no event has
occurred which has not been waived which, with notice or lapse of time or both,
would result in a default by the Company or any Subsidiary under), nor has the
Company or any Subsidiary received notice of a claim that it is in default under
or that it is in violation of, any indenture, loan or credit agreement or any
other agreement or instrument to which it is a party or by which it or any of
its properties is bound, (ii) is in violation of any order of any court,
arbitrator or governmental body, or (iii) is in violation of any statute, rule
or regulation of any governmental authority, in each case of clauses (i), (ii)
or (iii) above, except as would not reasonably be expected to individually or in
the aggregate, have or result in a Material Adverse Effect.

                  (i) Private Offering. Assuming the accuracy of the
representations and warranties of the Purchasers set forth in Sections
2.2(b)-(g), the offer, issuance and sale of the Securities to the Purchasers as
contemplated hereby are exempt from the registration requirements of the
Securities Act of 1933, as amended (the "Securities Act"). Neither the Company
nor any Person acting on its behalf has taken or is, to the knowledge of the
Company, contemplating taking any action which could subject the offering,
issuance or sale of the Securities to the registration requirements of the
<PAGE>
Securities Act including soliciting any offer to buy or sell the Securities by
means of any form of general solicitation or advertising.

                  (j) Financial Statements. The financial statements of the
Company have been prepared in accordance with generally accepted accounting
principles applied on a consistent basis during the periods involved ("GAAP"),
except as may be otherwise specified in such financial statements or the notes
thereto, and fairly present in all material respects the financial position of
the Company and its consolidated subsidiaries as of and for the dates thereof
and the results of operations and cash flows for the periods then ended,
subject, in the case of unaudited statements, to normal, immaterial, year-end
audit adjustments. Since March 31, 2000: (a) there has been no event, occurrence
or development that has resulted or that could result in a Material Adverse
Effect, (b) the Company has not incurred any liabilities (contingent or
otherwise) other than (x) liabilities incurred in the ordinary course of
business consistent with past practice and (y) liabilities not required to be
reflected in the Company"s financial statements pursuant to GAAP, (c) the
Company has not altered its method of accounting or the identity of its auditors
and (d) the Company has not declared or made any payment or distribution of cash
or other property to its stockholders or officers or directors (other than in
compliance with existing compensation agreements or Subsidiary stock option
plans) with respect to its capital stock, or purchased, redeemed (or made any
agreements to purchase or redeem) any shares of its capital stock.

                  (k) Investment Company. The Company is not, and is not an
Affiliate (as defined in Rule 405 under the Securities Act) of, an "investment
company" within the meaning of the Investment Company Act of 1940, as amended.

                  (l) Certain Fees. No fees or commissions will be payable by
the Company to any broker, financial advisor or consultant, finder, placement
agent, investment banker, bank or other Person with respect to the transactions
contemplated by this Agreement. The Purchasers shall have no obligation with
respect to any fees or with respect to any claims made by or on behalf of other
Persons for fees of a type contemplated in this Section that may be due in
connection with the transactions contemplated by this Agreement. The Company
shall indemnify and hold harmless the Purchasers, their employees, officers,
directors, agents, and partners, and their respective Affiliates, from and
against all claims, losses, damages, costs (including the costs of preparation
and attorney's fees) and expenses suffered in respect of any such claimed or
existing fees, as such fees and expenses are incurred.

                  (m) Solicitation Materials. Neither the Company nor any Person
acting on the Company's behalf has solicited any offer to buy or sell the
Securities by means of any form of general solicitation or advertising.

                  (n) Patents and Trademarks. The Company and the Subsidiaries
have, or have rights to use, all patents, patent applications, trademarks,
trademark applications, service marks, trade names, copyrights, licenses and
rights which are necessary or material for use in connection with their
respective business and which the failure to so would have a Material Adverse
Effect (collectively, the "Intellectual Property Rights"). Neither the Company
nor any Subsidiary has received a written notice that the Intellectual Property
Rights used by the Company or the Subsidiaries violates or infringes upon the
rights of any Person, to the best knowledge of the
<PAGE>
Company. All such Intellectual Property Rights are enforceable and, to the
Company's knowledge, there is no existing infringement by another Person of any
of the Intellectual Property Rights.

                  (o) Regulatory Permits. The Company and the Subsidiaries
possess all certificates, authorizations and permits issued by the appropriate
Federal, state or foreign regulatory authorities necessary to conduct their
respective businesses, except where the failure to possess such permits would
not reasonably be expected to, individually or in the aggregate, have or result
in a Material Adverse Effect (the "Material Permits"), and neither the Company
nor any Subsidiary has received any notice of proceedings relating to the
revocation or modification of any Material Permit.

                  (p) Title. The Company and the Subsidiaries have good and
marketable title in fee simple to all real property owned by them which is
material to the business of the Company and the Subsidiaries and good and
marketable title in all personal property owned by them which is material to the
business of the Company and the Subsidiaries, in each case free and clear of all
Liens, except for Liens as do not materially affect the value of such property
and do not interfere with the use made and proposed to be made of such property
by the Company and the Subsidiaries. Any real property and facilities held under
lease by the Company and the Subsidiaries are held by them under valid,
subsisting and enforceable leases of which the Company and the Subsidiaries are
in compliance and do not interfere with the use made and proposed to be made of
such property and buildings by the Company and the Subsidiaries.

                  (q) Absence of Certain Proceedings. Except as set forth in
Schedule 2.1(a): (i) there is no Action pending or, to the knowledge of the
Company, threatened against the Company, in any such case wherein an unfavorable
decision, ruling or finding could have or result in a Material Adverse Effect;
and (ii) neither the Company nor any Subsidiary, nor any director or officer
thereof, is or has been the subject of any Action involving (A) a claim of
violation of or liability under federal or state securities laws or (B) a claim
of breach of fiduciary duty.

                  (r) Labor Relations. No material labor problem exists or, to
the knowledge of the Company, is imminent with respect to any of the employees
of the Company.

                  (s) Disclosure. All disclosure provided to the Purchasers
regarding the Company, its business and the transactions contemplated hereby,
including the Schedules to this Agreement, furnished by or on behalf of the
Company are true and correct in all material respects and do not contain any
untrue statement of a material fact or omit to state any material fact necessary
in order to make the statements made therein, in light of the circumstances
under which they were made, not misleading.

         2.2      Representations and Warranties of the Purchasers. Each
Purchaser hereby for itself and for no other Purchaser represents and warrants
to the Company as follows:

                  (a) Organization; Authority. Such Purchaser is an entity duly
organized, validly existing and in good standing under the laws of the
jurisdiction of its organization with the requisite corporate or partnership
power and authority to enter into and to consummate the transactions
contemplated by the Transaction Documents and otherwise to carry out its
obligations thereunder. The purchase by such Purchaser of the Securities
hereunder has been duly authorized by all
<PAGE>
necessary corporate action on the part of such Purchaser. This Agreement has
been duly executed by such Purchaser, and when delivered by such Purchaser in
accordance with the terms hereof, will constitute the valid and legally binding
obligation of such Purchaser, enforceable against it in accordance with its
terms.

                  (b) Investment Intent. Such Purchaser is acquiring the
Securities as principal for its own account for investment purposes only and not
with a view to or for distributing or reselling such Securities or any part
thereof, without prejudice, however, to such Purchaser's right, subject to the
provisions of this Agreement, at all times to sell or otherwise dispose of all
or any part of such Securities pursuant to an effective registration statement
under the Securities Act or under an exemption from such registration and in
compliance with applicable federal and state securities laws. Nothing contained
herein shall be deemed a representation or warranty by such Purchaser to hold
Securities for any amount of time. Such Purchaser is acquiring the Securities
hereunder in the ordinary course of its business. Such Purchaser does not have
any agreement or understanding, directly or indirectly, with any Person to
distribute any Securities.

                  (c) Purchaser Status. At the time such Purchaser was offered
the Securities, it was, and at the date hereof it is, an "accredited investor"
as defined in Rule 501(a) under the Securities Act.

                  (d) Experience of such Purchaser. Such Purchaser, either alone
or together with its representatives, has such knowledge, sophistication and
experience in business and financial matters so as to be capable of evaluating
the merits and risks of the prospective investment in the Securities, and has so
evaluated the merits and risks of such investment. Such Purchasers has been
advised by counsel in connection with the transactions contemplates hereby.

                  (e) Ability of such Purchaser to Bear Risk of Investment. Such
Purchaser is able to bear the economic risk of an investment in the Securities
and, at the present time, is able to afford a complete loss of such investment.

                  (f) Access to Information. Such Purchaser acknowledges that it
has reviewed the documents and other material listed on Schedule 2.2(f) hereto
as well as the other Schedules to this Agreement (collectively, the "Disclosure
Materials") and has been afforded: (i) the opportunity to ask such questions as
it has deemed necessary of, and to receive answers from, representatives of the
Company concerning the terms and conditions of the offering of the Securities
and the merits and risks of investing in the Securities; (ii) access to
information about the Company and the Company's financial condition, results of
operations, business, properties, management and prospects sufficient to enable
it to evaluate its investment; and (iii) the opportunity to obtain such
additional information which the Company possesses, or can acquire without
unreasonable effort or expense that is necessary to make an informed investment
decision with respect to the investment and to verify the accuracy and
completeness of the information contained in the Disclosure Materials. Neither
such inquiries nor any other investigation conducted by or on behalf of such
Purchaser or its representatives or counsel shall modify, amend or affect such
Purchaser's right to rely on the truth, accuracy and completeness of the
Disclosure Materials and the Company's representations and warranties contained
in the Transaction Documents.
<PAGE>
                  (g) General Solicitation. Such Purchaser is not purchasing the
Securities as a result of or subsequent to any advertisement, article, notice or
other communication regarding the Securities published in any newspaper,
magazine or similar media or broadcast over television or radio or presented at
any seminar or any other general solicitation or general advertisement.

                  (h) Reliance. Such Purchaser understands and acknowledges
that: (i) the Securities are being offered and sold to it without registration
under the Securities Act in a private placement that is exempt from the
registration provisions of the Securities Act and (ii) the availability of such
exemption, depends in part on, and the Company will rely upon the accuracy and
truthfulness of, the foregoing representations and such Purchaser hereby
consents to such reliance.

         The Company acknowledges and agrees that no Purchaser makes or has made
any representations or warranties with respect to the transactions contemplated
hereby other than those specifically set forth in this Section 2.2.

                                   ARTICLE III
                         OTHER AGREEMENTS OF THE PARTIES

         3.1      Transfer Restrictions. (a) Securities may only be disposed of
pursuant to an effective registration statement under the Securities Act, to the
Company or pursuant to an available exemption from or in a transaction not
subject to the registration requirements of the Securities Act, and in
compliance with any applicable federal and state securities laws. In connection
with any transfer of Securities other than pursuant to an effective registration
statement or to the Company, except as otherwise set forth herein, the Company
may require the transferor thereof to provide to the Company an opinion of
counsel selected by the transferor, the form and substance of which opinion
shall be reasonably satisfactory to the Company, to the effect that such
transfer does not require registration of such transferred Securities under the
Securities Act. Notwithstanding the foregoing, the Company, without requiring a
legal opinion as described in the immediately preceding sentence, hereby
consents to and agrees to register on the books of the Company and with any
transfer agent for the securities of the Company any transfer of Securities by a
Purchaser to any transferee that certifies to the Company that it is an
"accredited investor" as defined in Rule 501(a) under the Securities Act and
that it is acquiring the Securities solely for investment purposes (subject to
the qualifications hereof). Any such transferee shall agree in writing to be
bound by the terms of this Agreement and shall have the rights of a Purchaser
under this Agreement.

                  (b) The Purchasers agree to the imprinting, so long as is
required by this Section 3.1(b), of the following legend on the Securities:

                  NEITHER THESE SECURITIES NOR THE SECURITIES INTO WHICH THESE
         SECURITIES ARE [CONVERTIBLE] [EXERCISABLE] HAVE BEEN REGISTERED WITH
         THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF
         ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE
         SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), AND,
         ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE
         REGISTRATION STATEMENT UNDER
<PAGE>
         THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A
         TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE
         SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS.

                  The Underlying Shares shall not contain the legend set forth
above nor any other legend at any time while a registration statement covering
the Underlying Shares is effective under the Securities Act or the holder of any
such security is relying on Rule 144(k) promulgated under the Securities Act
("Rule 144(k)") in connection with the resale of such Underlying Shares or, in
the event there is not an effective registration statement covering the resale
of the Underlying Shares at such time and Rule 144(k) is not then available, if,
in the opinion of counsel to the Company, such legend is not required under
applicable requirements of the Securities Act (including judicial
interpretations and pronouncements issued by the staff of the Commission). The
Company may not make any notation on its records or give instructions to any
transfer agent of the Company which enlarge the restrictions of transfer set
forth in this Section.

         3.2 Integration. The Company shall not, and shall use its best efforts
to ensure that, no Affiliate of the Company shall, sell, offer for sale or
solicit offers to buy or otherwise negotiate in respect of any security (as
defined in Section 2 of the Securities Act) that would be integrated with the
offer or sale of the Securities in a manner that would require the registration
under the Securities Act of the sale of the Securities to the Purchasers.

         3.3  Conversion and Exercise Procedures. The exercise notice pursuant
to the Warrants and the conversion notice pursuant to the Certificate of
Designation set forth the totality of the procedures with respect to the
conversion of the Shares and exercise of the Warrants, including the form of
legal opinion, if necessary, that shall be rendered to the Company's transfer
agent and such other information and instructions as may be reasonably necessary
to enable the Purchasers to convert their Shares and exercise their Warrants.

         3.4  Reservation of Underlying Shares. The Company shall maintain a
reserve of shares of Common Stock for issuance upon the conversion in full of
the Shares in accordance with this Agreement and the Certificate of Designation,
respectively, in such amount as may be required to fulfill its obligations in
full under the Transaction Documents.

         3.5  Conversion and Exercise Obligations of the Company. The Company
shall honor conversion of the Shares and exercise of the Warrants and shall
deliver Underlying Shares in accordance with the respective terms, conditions
and time periods set forth in the Certificate of Designation and the Warrants.

         3.6      [Intentionally left blank]

         3.7  Certain Securities Laws Disclosures; Publicity. The Company shall
timely file with the Commission a Form D promulgated under the Securities Act as
required under Regulation D promulgated under the Securities Act and provide a
copy thereof to the Purchasers promptly after the filing thereof. The Company
shall, no less than two Business Days prior to the filing of the Form D required
hereby provide a copy thereof to the Purchasers. The Company and the Purchasers
<PAGE>
shall consult with each other in issuing any press releases or otherwise making
public statements or filings and other communications with the Commission or any
regulatory agency or stock market or trading facility with respect to the
transactions contemplated hereby and neither party shall issue any such press
release or otherwise make any such public statement, filings or other
communications without the prior written consent of the other, which consent
shall not be unreasonably withheld or delayed, except that no prior consent
shall be required if such disclosure is required by law, in which such case the
disclosing party shall provide the other party with prior notice of such public
statement, filing or other communication. Notwithstanding the foregoing, the
Company shall not publicly disclose the names of the Purchasers, or include the
names of the Purchasers in any filing with the Commission, or any regulatory
agency, trading facility or stock market without the prior written consent of
the Purchasers, except to the extent such disclosure (but not any disclosure as
to the controlling Persons thereof) is required by law, in which case the
Company shall provide the Purchasers with prior notice of such disclosure.

         3.8   Use of Proceeds. The Company shall use the net proceeds from the
sale of the Shares hereunder for working capital and general corporate purposes.

         3.9   Reimbursement. If any Purchaser becomes involved in any capacity
in any Action brought by or against any Person, including stockholders of the
Company, solely as a result of the acquisition of the Securities hereunder, the
Company will reimburse such Purchaser for its reasonable legal and other
expenses (including the cost of any investigation, preparation and travel in
connection therewith) incurred in connection therewith, as such expenses are
incurred. The reimbursement obligations of the Company under this paragraph
shall be in addition to any liability which the Company may otherwise have,
shall extend upon the same terms and conditions to any Affiliates of the
Purchasers who are actually named in such action, proceeding or investigation,
and partners, directors, agents, employees and controlling persons (if any), as
the case may be, of the Purchasers and any such Affiliate, and shall be binding
upon and inure to the benefit of any successors, assigns, heirs and personal
representatives of the Company, the Purchasers and any such Affiliate and any
such Person. The Company also agrees that neither the Purchasers nor any such
Affiliates, partners, directors, agents, employees or controlling persons shall
have any liability to the Company or any Person asserting claims on behalf of or
in right of the Company solely as a result of the acquisition of the Securities
hereunder.

         3.10     Registration Rights.

                  (a) Piggyback Registration. If at any time the Company
determines to register under the Securities Act for sale to the public any of
the Company's securities on a form that also would permit the registration under
the Securities Act for sale to the public of any Underlying Shares (for purposes
of this Section, the "Registrable Shares"), the Company shall within 10 days
thereafter give the holders of Registrable Shares notice of its intent to effect
a registration. The Company shall include in such registration all Registrable
Shares with respect to which the Company shall have received a notice, from one
or more such holder (a "Piggyback Request") specifying the number of Registrable
Shares to be included, within 30 days after the Company shall have given the
holders of Registrable Shares the notice pursuant to this Section. If a holder
of Registrable Shares has made a Piggyback Request hereunder, the Company may
terminate or withdraw the registration statement initiated by it only if the
board of directors of the Company reasonably determines that proceeding
<PAGE>
with the registration statement pursuant to which the Piggyback Request has been
made would not be in the best interests of the Company.

                  (b) Demand Registration. At any time after the first
anniversary of this Agreement, but not in connection with an initial public
offering of the Company's securities, upon receipt of a notice (a "Demand
Request") from a Purchaser, the Company shall promptly file a registration
statement on an appropriate form under the Securities Act and use its reasonable
best efforts to effect the registration under the Securities Act of the
Registrable Shares specified in the Demand Request (a "Demand Registration").
The Company shall be obligated to effect only six Demand Registrations upon
request by a Purchaser. Notwithstanding the foregoing, if, for any reason either
(a) a Demand Registration fails to become effective and to provide for the
distribution of at least 90% of the Registrable Shares specified in the Demand
Request, or (b) the effectiveness of a Demand Registration intended to permit an
offering of securities from time to time on a delayed or continuous basis (a
"Shelf Registration") is not maintained for at least 120 days or for such
shorter period as shall have permitted all of the Registrable Shares registered
pursuant to such Shelf Registration to have been sold, then each Purchaser shall
thereafter continue to be entitled to the same number of Demand Registrations in
accordance with this Section to which it had been entitled immediately before
the Demand Request that gave rise to that Demand Registration. Demand Requests
under this Section may not be made more frequently than one time in any 180-day
period. Any Demand Request delivered pursuant to the terms hereof shall include
shares of Common Stock issuable upon conversion of the Shares.

                  (c) Obligation of the Participating Purchasers. Any Demand
Request or Piggyback Request (a "Request") by holders of Registrable Shares
intending to participate in a sale of the Company's securities (each
individually a "Participating Holder" and collectively the "Participating
Holders") shall express the present intent to offer for sale to the public the
number of shares to be included in the registration and contain an undertaking
reasonably to provide such information and materials and take such action as may
be required to permit the Company to comply with all applicable requirements of
the Commission and to obtain acceleration of the effective date of the
registration. Insofar as the methods of distribution proposed to be used by any
Participating Holder are not reflected in the last prospectus filed by the
Company as part of a registration statement under the Securities Act or pursuant
to Rule 424 under the Securities Act, such Participating Holder shall promptly
provide the Company with a description of the method or methods of distribution
of the Registrable Shares from time to time contemplated by such Participating
Holder.

                  (d) Obligations of the Company. Whenever required to effect
the registration of any Registrable Shares pursuant to the terms hereof, the
Company shall, as expeditiously as reasonably possible:

                      (i) Prepare and file with the Commission a registration
with respect to such Registrable Shares and use its reasonable best efforts to
cause such registration to become and remain effective, provided, that in
connection with any proposed registration intended to be a Shelf Registration,
the Company shall in no event be obligated to cause any such registration to
remain effective for more than one hundred twenty (120) days.
<PAGE>
                      (ii) Prepare and file with the Commission such amendments
and supplements to such registration statement and the prospectus used in
connection with such registration as may be necessary to comply with the
provisions of the Securities Act with respect to the disposition of all
securities covered by such registration.

                      (iii) Furnish to the Participating Holders such numbers of
copies of a prospectus, including a preliminary prospectus, in conformity with
the requirements of the Securities Act, and such other documents as they may
reasonably request in order to facilitate the disposition of Registrable Shares
owned by them.

                      (iv) After the earliest of: (A) the closing of the sale of
securities of the Company pursuant to a registration, (B) the registration by
the Company of a class of securities under Section 12 of the Exchange Act of
1934 (the "Exchange Act"), or (C) the issuance by the Company of an offering
circular pursuant to Regulation A under the Securities Act, the Company agrees
to:

                            (1) comply with the requirements of Rule 144 under
the Securities Act with respect to current public information about the Company;

                            (2) use its reasonable best efforts to file with the
Commission in a timely manner all reports and other documents required of the
Company under the Securities Act and the Exchange Act (at any time after it has
become subject to such reporting requirements);

                            (3) furnish to any holder of Registrable Shares upon
request (i) a written statement by the Company as to its compliance with the
requirements of said Rule 144, and the reporting requirements of the Securities
Act and the Exchange Act (at any time after it has become subject to such
reporting requirements), (ii) a copy of the most recent annual or quarterly
report of the Company, and (iii) such other reports and documents of the Company
as such holder may reasonably request to avail itself of any similar rule or
regulation of the Commission allowing it to sell any such securities without
registration; and

                            (4) provide and maintain a transfer agent for the
Common Stock.

                      (v) Register and qualify the securities covered by such
registration under such other securities or blue sky laws of such jurisdictions
as shall be reasonably appropriate for the distribution of the securities
covered by the registration, provided, that the Company shall not be required in
connection therewith or as a condition thereto to qualify to do business, file a
general consent to service of process or subject itself to taxation in any such
states or jurisdictions.

                      (vi) Use its reasonable best efforts to: (i) cause all the
Registrable Shares to be listed on a national securities exchange, if the
Registrable Shares are not already so listed, and on each additional national
securities exchange on which similar securities issued by the Company are then
listed, if the listing of the Registrable Shares is then permitted under the
rules of such exchange, or (ii) secure designation of the Common Stock as a
Nasdaq Stock Market "national market system security" within the meaning of the
Exchange Act or, failing that, to secure listing on the Nasdaq National Market
for the Registrable Shares and, without limiting the foregoing, to arrange for
at least
<PAGE>
two market makers to register as such with respect to Common Stock with the
National Association of Securities Dealers, Inc.

                      (vii) Enter into such customary agreements (including an
underwriting agreement in customary form with a managing underwriter reasonably
satisfactory to a majority of the Participating Holders) and take such other
actions as a majority of the Participating Holders shall reasonably request in
order to expedite or facilitate the disposition of such Registrable Shares.

                      (viii) On the effective date of such registration
statement or, in the case of an underwritten offering, on the date of delivery
of the Registrable Shares sold pursuant thereto, cause to be delivered to the
Participating Holder and the underwriters, opinions of counsel for the Company,
which counsel and opinions (in form, scope and substance) shall be reasonably
satisfactory to counsel for the underwriters and counsel for the Participating
Holder, covering the matters customarily covered in opinions given to
underwriters and selling stockholders, respectively, in primary underwritten
public offerings. Immediately prior to the effectiveness of such registration
statement or, in the case of an underwritten offering, at the time of delivery
of any Registrable Shares sold pursuant thereto, the Company shall cause to be
delivered to the Participating Holder and the underwriters a "cold comfort"
letter from the Company's independent public accountants with respect to the
Company within the meaning of the Securities Act and the applicable published
rules and regulations of the Commission thereunder, and otherwise in customary
form and covering such financial and accounting matters as are customarily
covered by letters of the independent public accountants delivered in connection
with underwritten public offerings.

                      (ix) Make available for inspection by any Participating
Holder, by any underwriter participating in any disposition to be effected
pursuant to such registration and by any attorney, accountant or other agent
retained by any such seller or any such underwriter, all pertinent financial and
other records and pertinent corporate documents and properties of the Company,
and use its best efforts cause all of the Company's officers, directors and
employees to supply all information reasonably requested by any such
Participating Holder, underwriter, attorney, accountant or agent in connection
with such registration statement.

                      (x) Permit any Participating Holder which, in the sole and
exclusive judgment, exercised in good faith, of such Participating Holder, might
be deemed to be a controlling person of the Company (within the meaning of the
Securities Act or the Exchange Act) to participate in the preparation of such
registration and to require the insertion therein of material, furnished to the
Company in writing, which in the judgment of such controlling Participating
Holder should be included and which is reasonably acceptable to the Company.

                      (xi) Use every reasonable effort to prevent the issuance
of any stop order suspending the effectiveness of such registration or of any
order preventing or suspending the use of any preliminary prospectus and, if any
such order is issued, to obtain the lifting thereof at the earliest reasonable
time.

                      (xii) Make such representations and warranties to the
Participating Holders and the underwriters as are customarily made by issuers to
underwriters and selling stockholders, as the case may be, in underwritten
public offerings.
<PAGE>
                  (e) Conditions to the Obligations of the Company. The Company
may postpone, for up to 30 days, the filing of any registration otherwise
required to be prepared and filed by it under this Agreement, or postpone the
filing of a pre- or post-effective amendment otherwise required to be prepared
and filed if, at the time it receives a Piggyback Request or Demand Request: (a)
the Company determines in good faith that the registration and offering would
require disclosure of material information that would have a material adverse
effect on the Company and promptly gives the Participating Holders notice of
that determination (it being understood, however, that, in any such event, the
Company shall use reasonable best efforts to minimize the length of the
postponement) or (b) the chief executive officer of the Company certifies to the
Participating Holders that the Company has a present intention to file a
registration statement with respect to authorized and unissued shares of the
Company's capital stock within such 30-day period. If the Company shall so
postpone the filing of a registration, the Participating Holders shall have the
right to withdraw their Request by giving written notice to the Company within
30 days after the Company shall have given the notice of postponement and, in
the event of the withdrawal, the Request that was withdrawn shall not be deemed
to have been made.

                  (f) Underwriting Requirements. If, in connection with any
Demand Request or Piggyback Request hereunder, the underwriter managing the
applicable offering determines that, because of marketing factors, all of the
Registrable Shares requested to be registered may not be included in the
offering, Registrable Shares may be eliminated from the offering, provided, that
(i) Registrable Shares shall be eliminated PRO RATA among Participating Holders
based upon the number of Registrable Shares requested to be so registered by
each Participating Holder and (ii) the total of Registrable Shares to be
eliminated, as a percentage of Registrable Shares requested to be registered,
shall be no greater than the percentage of authorized but unissued shares, if
any, or shares held by other stockholder, if any, to be included in such
registration.

                  (g) Expenses of Registration. All expenses (excluding
underwriting and brokerage commissions attributable to the Registrable Shares to
be sold which shall be paid by the Participating Holders) incurred in connection
with all registrations under this Agreement and the "blue sky" qualifications
referred to herein, including, without limitation, all registration and
qualification fees, printers' and accounting fees and fees and disbursements of
counsel for the Company, shall be borne by the Company. In connection with
Demand Registrations, the Company shall further bear the reasonable fees and
expenses of one counsel for the Participating Holders who shall be selected by
the majority of Participating Holders making a Demand Request, as the case may
be.

                  (h) Other Registration Rights. Except as set forth in Schedule
3.10 (h) or to the extent waived, modified, amended or terminated pursuant to
the terms hereof, the Company shall not enter into, amend or waive any of its
rights under any agreement entitling any person or entity to registration
rights, and the Company shall not in fact register any shareholder's shares
under the Securities Act, if, as a consequence, the rights of the holders of
Registrable Shares under this Section are adversely affected (it being
understood that any such registration rights or registration that would result
in any reduction in the number of Registrable Shares to be included in an
underwritten offering pursuant to a Demand Request or Piggyback Request and any
registration rights or registration that would impose lesser obligations on the
shareholder than are imposed on the holders of Registrable
<PAGE>
Shares under this agreement shall be deemed adversely to affect such holders'
rights under this Section).

                  (i) Transfer of Registration Rights. The registration rights
of any Purchaser (and of any transferee of any Purchaser) under this Agreement
with respect to any Registrable Shares may be transferred to any transferee who
acquires (otherwise than in a registered public offering) such Registrable
Shares, provided, that the Company is given written notice by the transferor
promptly after such transfer stating the name and address of the transferee and
identifying the securities with respect to which the rights under this Agreement
are being assigned.

                  (j) "Lock-Up" Agreement. Each Purchaser, if requested by the
Company and the managing underwriter of an offering by the Company of Common
Stock or other equity securities of the Company pursuant to a registration,
shall agree not to sell publicly or otherwise transfer or dispose of any
Registrable Shares or other equity securities of the Company held by such
Purchaser for a specified period of time (not to exceed 240 days) following the
effective date of such registration, provided, that all officers and directors
of the Company in such offering enter into similar agreements.

                  (k) Termination of Registration Rights. All rights granted to
the holders of Registrable Shares hereunder shall terminate when all of the
Registrable Securities can be sold without limitation under Rule 144(k) under
the Securities Act.
<PAGE>
                  (l) Indemnification.

                      (i) Indemnification by the Company. The Company shall,
notwithstanding any termination of this Agreement, indemnify and hold harmless
each Participating Holder, the officers, directors, agents, brokers (including
brokers who offer and sell Registrable Securities as principal as a result of a
pledge or any failure to perform under a margin call of Common Stock),
investment advisors and employees of each of them, each person who controls any
such Participating Holder (within the meaning of Section 15 of the Securities
Act or Section 20 of the Exchange Act) and the officers, directors, agents and
employees of each such controlling Person, to the fullest extent permitted by
applicable law, from and against any and all losses, claims, damages,
liabilities, costs (including, without limitation, costs of preparation and
attorneys' fees) and expenses (collectively, "Losses"), as incurred, arising out
of or relating to any untrue or alleged untrue statement of a material fact
contained in the Registration Statement, any Prospectus or any form of
prospectus or in any amendment or supplement thereto or in any preliminary
prospectus, or arising out of or relating to any omission or alleged omission of
a material fact required to be stated therein or necessary to make the
statements therein (in the case of any Prospectus or form of prospectus or
supplement thereto, in light of the circumstances under which they were made)
not misleading, except to the extent, but only to the extent, that; (1) such
untrue statements or omissions are based solely upon information regarding such
Participating Holder furnished in writing to the Company by such Participating
Holder expressly for use therein, or to the extent that such information relates
to such Participating Holder or such Holder's proposed method of distribution of
Registrable Securities and was reviewed and expressly approved in writing by
such Participating Holder expressly for use in the registration statement or (2)
in the case of the occurrence of any event or passage of time that makes the
financial statements included in the registration statement ineligible for
inclusion therein or any statement made in the registration statement or
prospectus or any document incorporated or deemed to be incorporated therein by
reference untrue in any material respect or that requires any revisions to the
registration statement, prospectus or other documents so that, in the case of
the registration statement or the prospectus, as the case may be, it will not
contain any untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary to make the statements therein,
in light of the circumstances under which they were made, not misleading (a
"Material Event"), the use by such Participating Holder of an outdated or
defective prospectus after the Company has notified such Participating Holder in
writing that the prospectus is outdated or defective and prior to the receipt by
such Participating Holder of a notice by the Company that the use of the
applicable prospectus may be resumed. The Company shall notify the Participating
Holders promptly of the institution, threat or assertion of any proceeding of
which the Company is aware in connection with the transactions contemplated by
this Agreement. In addition, the Company shall not be liable to any person who
participates as an underwriter in any such registration or any other person who
controls such underwriter within the meaning of the Securities Act, in any such
case to the extent that any such loss, claim, damage, liability or action arises
out of such person's failure to send or give, at or prior to the written
confirmation of the sale of securities, a copy of the final prospectus as the
same may be then supplements or amended to the person asserting an untrue
statement or alleged untrue statement or omission or alleged omission, if such
statement or omission was corrected in such final prospectus.
<PAGE>

                  (ii) Indemnification by Holders. Each Participating Holder
shall, severally and not jointly, indemnify and hold harmless the Company, its
directors, officers, agents and employees, each person who controls the Company
(within the meaning of Section 15 of the Securities Act and Section 20 of the
Exchange Act), and the directors, officers, agents or employees of such
controlling Persons, to the fullest extent permitted by applicable law, from and
against all Losses (as determined by a court of competent jurisdiction in a
final judgment not subject to appeal or review) arising solely out of or based
solely upon any untrue statement of a material fact contained in any
registration statement, any prospectus, or any form of prospectus, or in any
amendment or supplement thereto, or arising solely out of or based solely upon
any omission of a material fact required to be stated therein or necessary to
make the statements therein not misleading to the extent, but only to the
extent, that such untrue statement or omission is contained in any information
so furnished in writing by such Participating Holder to the Company specifically
for inclusion in such registration statement or such prospectus or to the extent
that (1) such untrue statements or omissions are based solely upon information
regarding such Participating Holder furnished in writing to the Company by such
Participating Holder expressly for use therein, or to the extent that such
information relates to such Participating Holder or such Holder's proposed
method of distribution of Registrable Securities and was reviewed and expressly
approved in writing by such Participating Holder expressly for use in the
registration statement, such prospectus or such form of prospectus or in any
amendment or supplement thereto or (2) in the case of an occurrence of a
Material Event, the use by such Participating Holder of an outdated or defective
Prospectus after the Company has notified such Participating Holder in writing
that the prospectus is outdated or defective and prior to the receipt by such
Participating Holder of a notice by the Company that the use of the applicable
prospectus may be resumed. In no event shall the liability of any selling
Participating Holder hereunder be greater in amount than the dollar amount of
the net proceeds received by such Participating Holder upon the sale of the
Registrable Securities giving rise to such indemnification obligation.
<PAGE>

                  (iii) Conduct of Indemnification Proceedings. If any
proceeding shall be brought or asserted against any Person entitled to indemnity
hereunder (an "Indemnified Party"), such Indemnified Party shall promptly notify
the Person from whom indemnity is sought (the "Indemnifying Party") in writing,
and the Indemnifying Party shall assume the defense thereof, including the
employment of counsel reasonably satisfactory to the Indemnified Party and the
payment of all fees and expenses incurred in connection with defense thereof,
provided, that the failure of any Indemnified Party to give such notice shall
not relieve the Indemnifying Party of its obligations or liabilities pursuant to
this Section 3.10, except (and only) to the extent that it shall be finally
determined by a court of competent jurisdiction (which determination is not
subject to appeal or further review) that such failure shall have proximately
and materially adversely prejudiced the Indemnifying Party. An Indemnified Party
shall have the right to employ separate counsel in any such Proceeding and to
participate in the defense thereof, but the fees and expenses of such counsel
shall be at the expense of such Indemnified Party or Parties unless: (1) the
Indemnifying Party has agreed in writing to pay such fees and expenses; or (2)
the Indemnifying Party shall have failed promptly to assume the defense of such
Proceeding and to employ counsel reasonably satisfactory to such Indemnified
Party in any such Proceeding; or (3) the named parties to any such Proceeding
(including any impleaded parties) include both such Indemnified Party and the
Indemnifying Party, and such Indemnified Party shall have been advised by
counsel that a conflict of interest is likely to exist if the same counsel were
to represent such Indemnified Party and the Indemnifying Party (in which case,
if such Indemnified Party notifies the Indemnifying Party in writing that it
elects to employ separate counsel at the expense of the Indemnifying Party, the
Indemnifying Party shall not have the right to assume the defense thereof and
such counsel shall be at the expense of the Indemnifying Party). The
Indemnifying Party shall not be liable for any settlement of any such Proceeding
effected without its written consent, which consent shall not be unreasonably
withheld. No Indemnifying Party shall, without the prior written consent of the
Indemnified Party, effect any settlement of any pending Proceeding in respect of
which any Indemnified Party is a party, unless such settlement includes an
unconditional release of such Indemnified Party from all liability on claims
that are the subject matter of such Proceeding. All fees and expenses of the
Indemnified Party (including reasonable fees and expenses to the extent incurred
in connection with investigating or preparing to defend such Proceeding in a
manner not inconsistent with this Section) shall be paid to the Indemnified
Party, as incurred, within ten Business Days of written notice thereof to the
Indemnifying Party (regardless of whether it is ultimately determined that an
Indemnified Party is not entitled to indemnification hereunder; provided, that
the Indemnifying Party may require such Indemnified Party to undertake to
reimburse all such fees and expenses to the extent it is finally judicially
determined that such Indemnified Party is not entitled to indemnification
hereunder).
<PAGE>
                  (iv) Contribution. If a claim for indemnification pursuant to
this Section 3.10 is unavailable to an Indemnified Party (by reason of public
policy or otherwise), then each Indemnifying Party, in lieu of indemnifying such
Indemnified Party, shall contribute to the amount paid or payable by such
Indemnified Party as a result of such Losses, in such proportion as is
appropriate to reflect the relative fault of the Indemnifying Party and
Indemnified Party in connection with the actions, statements or omissions that
resulted in such Losses as well as any other relevant equitable considerations.
The relative fault of such Indemnifying Party and Indemnified Party shall be
determined by reference to, among other things, whether any action in question,
including any untrue or alleged untrue statement of a material fact or omission
or alleged omission of a material fact, has been taken or made by, or relates to
information supplied by, such Indemnifying Party or Indemnified Party, and the
parties' relative intent, knowledge, access to information and opportunity to
correct or prevent such action, statement or omission. The amount paid or
payable by a party as a result of any Losses shall be deemed to include, subject
to the limitations set forth herein, any reasonable attorneys' or other
reasonable fees or expenses incurred by such party in connection with any
Proceeding to the extent such party would have been indemnified for such fees or
expenses if the indemnification provided for in this Section was available to
such party in accordance with its terms. The parties hereto agree that it would
not be just and equitable if contribution pursuant to this Section were
determined by pro rata allocation or by any other method of allocation that does
not take into account the equitable considerations referred to in the
immediately preceding paragraph. Notwithstanding the provisions of this Section,
no Participating Holder shall be required to contribute, in the aggregate, any
amount in excess of the amount by which the proceeds actually received by such
Participating Holder from the sale of the Registrable Securities subject to the
Proceeding exceeds the amount of any damages that such Participating Holder has
otherwise been required to pay by reason of such untrue or alleged untrue
statement or omission or alleged omission. The indemnity and contribution
agreements contained in this Section are in addition to any liability that the
Indemnifying Parties may have to the Indemnified Parties.

         3.11 CIT Loan. The Company is in the process of negotiating a revolving
line of credit with The CIT Group ( the "CIT Loan") which shall close no later
than February 23, 2001, provided, that if the CIT Loan does not close by that
date then the Company shall return the purchase price by the Purchasers to the
Purchasers and this Agreement shall thereafter be of no further force or effect.

                                   ARTICLE IV
                                  MISCELLANEOUS

         4.1 Fees and Expenses. At the Closing, the Company shall reimburse the
Purchasers for their legal fees and expenses incurred in connection with the
preparation and negotiation of the Transaction Documents by paying to Robinson
Silverman $30,000 for the preparation and negotiation of the Transaction
Documents. The amount contemplated by the immediately preceding sentence shall
be retained by the Purchasers and shall not be delivered to the Company at the
Closing. Other than the amount contemplated in the Transaction Documents, each
party shall pay the fees and expenses of its advisers, counsel, accountants and
other experts, if any, and all other expenses incurred by such party incident to
the negotiation, preparation, execution, delivery and performance of this
Agreement. The Company shall pay all stamp and other taxes and duties levied in
connection with the issuance of the Securities.
<PAGE>
         4.2 Entire Agreement; Amendments. The Transaction Documents, together
with the Exhibits and Schedules thereto and the Transfer Agent Instructions
contain the entire understanding of the parties with respect to the subject
matter hereof and supersede all prior agreements and understandings, oral or
written, with respect to such matters, which the parties acknowledge have been
merged into such documents, exhibits and schedules.

         4.3 Notices. Any and all notices or other communications or deliveries
required or permitted to be provided hereunder shall be in writing and shall be
deemed given and effective on the earliest of (i) the date of transmission, if
such notice or communication is delivered via facsimile at the facsimile
telephone number specified in this Section prior to 6:30 p.m. (New York City
time) on a Business Day, (ii) the Business Day after the date of transmission,
if such notice or communication is delivered via facsimile at the facsimile
telephone number specified in this Agreement later than 6:30 p.m. (New York City
time) on any date and earlier than 11:59 p.m. (New York City time) on such date,
(iii) the Business Day following the date of mailing, if sent by nationally
recognized overnight courier service, or (iv) upon actual receipt by the party
to whom such notice is required to be given. The address for such notices and
communications shall be as follows:

         If to the Company:  RxBazaar.com, Inc.
                             200 Highland Avenue, Suite 301
                             Needham, Massachusetts 02494
                             Facsimile No.: (781) 449 5190
                             Attn: Peri Onipede

         With copies to:    Chu, Ring & Hazel
                            49 Melcher St.
                            Boston, Massachusetts 02210
                            Facsimile No.: (617) 443-9840
                            Attn: Nina Ross

         If to a Purchaser: To the address set forth under such Purchaser's name
                            on the signature pages hereto;

or such other address as may be designated in writing hereafter, in the same
manner, by such Person.

         4.4 Amendments; Waivers. No provision of this Agreement may be waived
or amended except in a written instrument signed, in the case of an amendment,
by the Company and each of the Purchasers or, in the case of a waiver, by the
party against whom enforcement of any such waiver is sought. No waiver of any
default with respect to any provision, condition or requirement of this
Agreement shall be deemed to be a continuing waiver in the future or a waiver of
any other provision, condition or requirement hereof, nor shall any delay or
omission of either party to exercise any right hereunder in any manner impair
the exercise of any such right accruing to it thereafter.

         4.5 Headings. The headings herein are for convenience only, do not
constitute a part of this Agreement and shall not be deemed to limit or affect
any of the provisions hereof.
<PAGE>

         4.6 Successors and Assigns. This Agreement shall be binding upon and
inure to the benefit of the parties and their successors and permitted assigns.
The Company may not assign this Agreement or any rights or obligations hereunder
without the prior written consent of the Purchasers. Except as set forth in
Section 3.1(a), the Purchasers may not assign this Agreement or any of the
rights or obligations hereunder without the consent of the Company.

         4.7 No Third-Party Beneficiaries. This Agreement is intended for the
benefit of the parties hereto and their respective successors and permitted
assigns and is not for the benefit of, nor may any provision hereof be enforced
by, any other Person.

         4.8 Governing Law. The corporate laws of the State of Delaware shall
govern all issues concerning the relative rights of the Company and its
stockholders. All other questions concerning the construction, validity,
enforcement and interpretation of this Agreement shall be governed by and
construed and enforced in accordance with the internal laws of the State of New
York, without regard to the principles of conflicts of law thereof. Each party
hereby irrevocably submits to the exclusive jurisdiction of the state and
federal courts sitting in the City of New York, borough of Manhattan, for the
adjudication of any dispute hereunder or in connection herewith or with any
transaction contemplated hereby or discussed herein (including with respect to
the enforcement of any of the Transaction Documents), and hereby irrevocably
waives, and agrees not to assert in any suit, action or proceeding, any claim
that it is not personally subject to the jurisdiction of any such court, that
such suit, action or proceeding is improper. Each party hereby irrevocably
waives personal service of process and consents to process being served in any
such suit, action or proceeding by mailing a copy thereof via registered or
certified mail or overnight delivery (with evidence of delivery) to such party
at the address in effect for notices to it under this Agreement and agrees that
such service shall constitute good and sufficient service of process and notice
thereof. Nothing contained herein shall be deemed to limit in any way any right
to serve process in any manner permitted by law.

         4.9 Survival. The representations, warranties, agreements and covenants
contained herein shall survive the Closing, the delivery, exchange and/or
conversion of the Shares, exercise of the Warrants and the delivery of the
Underlying Shares.

         4.10 Execution. This Agreement may be executed in two or more
counterparts, all of which when taken together shall be considered one and the
same agreement and shall become effective when counterparts have been signed by
each party and delivered to the other party, it being understood that both
parties need not sign the same counterpart. In the event that any signature is
delivered by facsimile transmission, such signature shall create a valid and
binding obligation of the party executing (or on whose behalf such signature is
executed) the same with the same force and effect as if such facsimile signature
page were an original thereof.

         4.11 Severability. In case any one or more of the provisions of this
Agreement shall be invalid or unenforceable in any respect, the validity and
enforceability of the remaining terms and provisions of this Agreement shall not
in any way be affecting or impaired thereby and the parties will attempt to
agree upon a valid and enforceable provision which shall be a reasonable
substitute therefor, and upon so agreeing, shall incorporate such substitute
provision in this Agreement.
<PAGE>
         4.12 Remedies. In addition to being entitled to exercise all rights
provided herein or granted by law, including recovery of damages, each of the
Purchasers will be entitled to specific performance of the obligations of the
Company under the Transaction Documents. The Company and each of the Purchasers
agree that monetary damages may not be adequate compensation for any loss
incurred by reason of any breach of its obligations described in the foregoing
sentence and hereby agrees to waive in any action for specific performance of
any such obligation the defense that a remedy at law would be adequate.

         4.13 Independent Nature of Purchasers' Obligations and Rights. The
obligations of each Purchaser under any Transaction Document is several and not
joint with the obligations of any other Purchaser and no Purchaser shall be
responsible in any way for the performance of the obligations of any other
Purchaser under any Transaction Document. Nothing contained herein or in any
Transaction Document, and no action taken by any Purchaser pursuant thereto,
shall be deemed to constitute the Purchasers as a partnership, an association, a
joint venture or any other kind of entity, or create a presumption that the
Purchasers are in any way acting in concert with respect to such obligations or
the transactions contemplated by the Transaction Document. Each Purchaser shall
be entitled to independently protect and enforce its rights, including without
limitation the rights arising out of this Agreement or out of the other
Transaction Documents, and it shall not be necessary for any other Purchaser to
be joined as an additional party in any proceeding for such purpose.

                   [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK
                            SIGNATURE PAGES FOLLOWS]
<PAGE>

                  IN WITNESS WHEREOF, the parties hereto have caused this
Securities Purchase Agreement to be duly executed by their respective authorized
signatories as of the date first indicated above.

                               RXBAZAAR.COM, INC.

                               By: /s/ C. Robert Cusick
                                   ---------------------------
                               Title: Executive Vice President

                   [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK
                      SIGNATURE PAGE FOR PURCHASER FOLLOWS]
<PAGE>

                               KENILWORTH LLC

                               By:
                                   -------------------------------
                                   Name: Navigator Management Ltd.
                                   Title: Director

                               Purchase Price for Shares to be
                               acquired at Closing: $ 3,700,000

         Address for Notice:   Kenilworth LLC
                               c/o Citco Trustees (Cayman) Limited
                               Commercial Centre
                               P.O. Box 31106 SMB
                               Grand Cayman
                               Cayman Islands
                               British West Indies
                               Facsimile No.: (345) 945-7566

         With copies to:       Robinson Silverman Pearce Aronsohn & Berman LLP
                               1290 Avenue of the Americas
                               New York, NY  10104
                               Facsimile No.:  (212) 541-4630 and (212) 541-1432
                               Attn:  Eric L. Cohen, Esq.

                   [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK
                      SIGNATURE PAGE FOR PURCHASER FOLLOWS]
<PAGE>

                               THE ENDEAVOUR CAPITAL INVESTMENT FUND S.A.

                               By:
                                   -------------------------
                                   Name: Shmuli Margulies
                                   Title: Director

                               Purchase Price for Shares to be
                               acquired at Closing: $ 1,000,000

                                   Address for Notice:

                                   The Endeavour Capital Investment Fund S.A.
                                   c/o Lion Corporate Services
                                   Cumberland House
                                   #27 Cumberland Street
                                   P.O.Box N-10818
                                   Nassau, The Bahamas
                                   Facsimile No.: (242) 356-4147
                                   Attn: Barry Herman

                                   With copies to:

                                   Endeavour Advisers Ltd.
                                   P.O.B. 57116
                                   Jerusalem 91570
                                   Yirmeyahu St. 46/21
                                   Jerusalem  94467
                                   Israel
                                   Attn: Shmuli Margulies
                                   Facsimile No.: (972-2) 500-3318/9

                                   With copies also to:

                                   Robinson Silverman Pearce Aronsohn
                                   & Berman LLP
                                   1290 Avenue of the Americas
                                   New York, NY  10104
                                   Facsimile No.:(212)541-4630 and (212)541-1432
                                   Attn:  Eric L. Cohen, Esq.EXHIBIT 10.16
                                                                   -------------

                          SECURITIES PURCHASE AGREEMENT
                          -----------------------------

                               RXBAZAAR.COM, INC.

RxBazaar.com, Inc.
11895 Kemper Springs Drive
Cincinnati, Ohio 45240

Ladies and Gentlemen:

     1.    Purchase. Subject to the terms and conditions hereof, the undersigned
agrees to purchase the number of Units of the securities of RxBazaar.com, Inc.,
a Delaware corporation (the "Company"), as set forth at the end of this
Agreement, at a purchase price of $1.50 per Unit. A "Unit" shall consist of (a)
one share of Common Stock of the Company, par value $.001 per share (a "Share"),
and (b) a warrant, in the form of Exhibit A attached hereto, to purchase one
share of Common Stock of the Company, par value $.001 per share, with an
exercise price of $2.50 per share (the "Warrant"). (The Shares and the Warrants
shall be collectively referred to herein as the "Securities.") The undersigned
hereby tenders the amount set forth at the end of this Agreement, in the form of
a check payable to the order of the Company, or wire transfer, in full payment
of the purchase price for such Securities.

     2.    Closing. The sum tendered herewith pursuant to Paragraph 1 (the
"Funds") will be held in escrow by the Company, or third parties for the account
of the Company, and shall be released from escrow and remitted to the Company
(the "Equity Closing") only upon the closing of the merger of RxBazaar.com
Acquisition Corp., a Delaware corporation ("Sub"), with and into Superior
Pharmaceutical Company, an Ohio corporation ("Superior"), as contemplated in the
Agreement and Plan of Merger dated October 20, 2000 by and among the Company,
Sub, Superior, and DynaGen, Inc., a Delaware corporation and parent of Superior
(the "Merger Closing"); provide that, if the Merger Closing does not occur
within sixty (60) days of the date of this Agreement, the Funds shall be
released from escrow by the Company (or third party) and remitted to the
undersigned within ten (10) days thereafter. Promptly upon the Equity Closing,
the Company will cause a certificate for the Shares and the Warrants purchased
hereunder by the undersigned to be issued in the name of and delivered to the
undersigned.

     3.    Acceptance of Agreement. This agreement shall be accepted by the
Company when it is signed on behalf of the Company and the Funds tendered
concurrently herewith are transferred into escrow to or for the account of the
Company. The Company may refuse to accept any subscription in its sole
discretion.

     4.    Representations and Warranties of the Undersigned. The undersigned
hereby represents and warrants to the Company, its officers, directors, agents,
and employees as follows:

           (a) That he(1) has adequate means of providing for his current needs
and personal contingencies; he has no need now, and anticipates no need in the
foreseeable future, to
----------------------
1  Masculine pronouns are used solely for convenience of reference, and are
intended to have general application.
<PAGE>
sell the Securities which he hereby agrees to purchase, and he currently has
sufficient financial liquidity to afford a complete loss of his investment in
the Company.

           (b) That he has received and carefully reviewed descriptive memoranda
relating to the Company and any other materials relating thereto that he has
requested.

           (c) That he has had an opportunity to ask questions of and receive
answers from the authorized representatives of the Company, and to review any
relevant documents and records concerning the business of the Company and the
terms and conditions of this investment, and that any such questions have been
answered to the full satisfaction of the undersigned.

           (d) That no person or entity, other than the Company or its
authorized representatives, has offered the Securities to the undersigned.

           (e) That he has such knowledge and experience in financial and
business matters that he is capable of evaluating the merits and risks of an
investment in the Company, or he and his financial and investment advisors
together have such knowledge and experience in financial and business matters
that they are capable of evaluating the merits and risks of an investment in the
Company.

           (f) That the Securities for which he hereby subscribes will be
acquired for his own account for investment and not with a view toward
subdivision, resale, or redistribution thereof in a manner prohibited under the
Securities Act of 1933, as amended (the "Act"), and he does not presently have
any reason to anticipate any change in his circumstances or other particular
occasion or event which would cause him to sell his Securities. He has no
contract, undertaking, agreement, understanding, or arrangement with any person
to sell, transfer, or pledge to any person any part or all of the Securities for
which he hereby subscribes, or any interest therein, and has no present plans to
enter into the same,

           (g) That (i) it has been called to his attention in connection with
his investment in the Company that such investment is speculative in nature and
involves a high degree of risk, and (ii) he is aware that the Company is in the
start-up stage and thus does not have any operating history.

           (h) That he will notify the Company immediately, and in any event
prior to the date this agreement is accepted by the Company, if any event occurs
which would materially and adversely affect any of the above representations or
warranties.

           (i) That he understands that no federal or state agency has passed
upon or made any recommendation or endorsement of an investment in the
Securities.

           (j) That he would come within the following categories of "accredited
investor" under Rule 501(a) of Regulation D of the Securities Exchange
Commission promulgated under the Securities Act of 1933 (Please check all
applicable spaces):

       ____    (i)   His or her net worth exceeds $1,000,000 (may include
                     spouse's net worth).

                                       -2-
<PAGE>
       ____    (ii)  His or her individual income in each of the two immediately
                     previous years has been more than $200,000 and his or her
                     current year's income is reasonably expected to be more
                     than $200,000, or his or her joint income with spouse in
                     each of the two immediately previous years has been more
                     than $300,000 and his or her current year's joint income is
                     reasonably expected to be more than $300,000.

       ____    (iii) We are a trust with total assets of more than $5,000,000,
                     not formed for the specific purpose of acquiring the
                     Securities, whose purchase is being directed by an investor
                     who, either alone or with his purchaser representative(s),
                     has such knowledge and experience in financial affairs and
                     business matters that he is capable of evaluating the
                     merits and risks of the prospective investments.

       ____    (iv)  We are an organization described in Section 501(c)(3) of
                     the Internal Revenue Code, a corporation, a Massachusetts
                     or similar business trust, or a partnership, not formed for
                     the specific purpose of acquiring the securities, with
                     total assets in excess of $5,000,000.

       ____    (v)   We are a corporation or partnership and each and every of
                     our equity owners falls into at least one of the above
                     categories.

       ____    (vi)  None of the above.

     5.    Reliance. The undersigned acknowledges that the Company and its
officers, directors, employees, and agents are relying on the truth and accuracy
of the foregoing representations and warranties in the offering of Securities
for sale to the undersigned without having first registered the Securities under
the Act. All representations, warranties, and covenants contained in this
agreement shall survive the acceptance of this agreement and the sale of
Securities in the Company. Notwithstanding the foregoing, however, no
representation, warranty, acknowledgment, or agreement made herein by the
undersigned shall in any manner be deemed to constitute a waiver of any rights
granted to him under federal or state securities laws.

     6.    Consent to Use of Information. The undersigned hereby consents to the
utilization by the Company, as necessary in connection with dealings with any
governmental and regulatory authorities, of any information supplied to the
Company by the undersigned or by his representatives in connection with the
offer and sale of the Securities, and agrees to supply any additional
information reasonably requested by any such authority.

     7.    Restrictions on Transfer of Securities.

           (a) Opinion of Counsel. The undersigned acknowledges that there are
restrictions on the transferability of the Securities. Since the Securities are
not registered under the Act or applicable state securities laws, and since the
undersigned has no right to require that the Securities be so registered, the
undersigned acknowledges and agrees that he shall have no

                                       -3-
<PAGE>
right at any time to sell, assign, pledge, transfer, or otherwise dispose of or
encumber the Securities (except by will or by the laws of descent and
distribution) unless the Company shall first have been provided with an opinion
of counsel acceptable to the Company that such sale is exempt from such
registration under the Act and any applicable state securities laws.

           (b) Restrictive Legends. The undersigned acknowledges that each
certificate representing Securities will bear restrictive legends which may
refer to this Securities Purchase Agreement and to the restrictions on transfer
referred to in this Paragraph 7.

     8.    Notice to Investor. Correspondence and notices to the undersigned
should be sent to the ___ business ___ residence address listed below until such
time as the undersigned shall notify the Company, in writing, of a different
address to which such correspondence and notices are to be sent. If neither
space is marked above, all correspondence will be sent to the undersigned's
residence address.

     9.    Lock-Up Provisions. In the event the Company has filed a registration
statement under the Securities Act of 1933 for an initial public offering of the
Company's Common Stock, $.001 par value (the "Common Stock"), and if in
connection therewith the Company has obtained lock-up agreements from all of its
then officers and directors not to sell any Securities of Common Stock owned by
them for a specified period of time, then the undersigned shall be bound by the
terms of such agreements with respect to all shares of the Common Stock owned by
the undersigned, whether or not the undersigned has executed such an agreement.
This provision shall survive the termination of this agreement. This agreement
shall be construed as a "lock-up" agreement and may be delivered by the Company
to any underwriter retained in connection with the Company's initial public
offering.

                  [remainder of page left intentionally blank]

                                       -4-
<PAGE>

     IN WITNESS WHEREOF, the undersigned has executed this Agreement as of this
___ day of ______________, 2000.

                                            ------------------------------
                                            Signature

-------------------------------             -------------------------------
Business Position or Title                  Name (Typed or Printed)

-------------------------------             -------------------------------
Name of Business                            United States
                                            Social Security Number, if any

-------------------------------             -------------------------------
Business Address                            Residence Address

-------------------------------             -------------------------------
City, State or Province,                    City, State or Province,
County and Zip Code                         County and Zip Code

-------------------------------             -------------------------------
Units (#)                                   Purchase Price ($)

Accepted and agreed to:
RXBAZAAR.COM, INC.

By: _________________________

Dated: ______________________

                                       -5-

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