**LEASE        TERMINATION AGREEMENT**

**THIS        LEASE TERMINATION AGREEMENT**
**EOP-INDUSTRIAL        PORTFOLIO, L.L.C., a Delaware limited liability company **
**IMCOR        PHARMACEUTICAL CO., a Nevada corporation**

**RECITALS:**

| A. | Landlord                  (as successor in interest to WHAMC Real Estate Limited Partnership,                  a                  Delaware limited partnership) and Tenant (formerly known as Photogen                  Technologies, Inc., a Nevada corporation, as successor in interest                  to                  Alliance Pharmaceutical Corp., a New York corporation) are parties                  to that                  certain lease dated as of November 7, 1997 (the “Lease”) relating to                  approximately **56,799**                  rentable square feet (the “Premises”) consisting of the entire building                  located at 6175 Lusk Boulevard, San Diego, California (the “Building”),                  all as more particularly described in the Lease,                  a                  copy of which is attached hereto as Exhibit “A.”  |
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| B. | The                  Term is scheduled to expire on February 28, 2008 (the “Stated Termination                  Date”), and Tenant desires to terminate the Lease prior to the Stated                  Termination Date. Landlord has agreed to such termination on the                  terms and                  conditions contained in this Termination                  Agreement. |
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**NOW,        THEREFORE**

| 1. | Effective                  as of July                  30, 2005 (the "**Early                  Termination Date**")                  and subject to the agreements, representations, warranties and                  indemnities                  contained in this Termination Agreement, including, without limitation,                  payment of the Termination Fee described in Section 7 below, the                  Lease is                  terminated and the Term of the Lease shall expire with the same                  force and                  effect as if the Term was, by the provisions thereof, fixed to                  expire on                  the Early Termination Date. |
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| 2. | Effective                      as of the Early Termination Date, Tenant remises, releases,                      quitclaims and                      surrenders to Landlord, its predecessors,                      successors,                      and assigns, the Lease and all of the estate and rights of                      Tenant in and                      to the Lease and the Premises, and Tenant forever releases                      and discharges                      Landlord from any and all claims, demands or causes of action                      whatsoever                      against Landlord or its successors and assigns arising out                      of or in                      connection with the Premises or the Lease and forever releases                      and                      discharges Landlord from any obligations to be observed or                      performed by                      Landlord under the Lease after the Early Termination                      Date. |
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| 3. | Subject                      to the agreements, representations, warranties and indemnities                      contained                      in this Termination Agreement, Landlord agrees to accept the                      surrender of                      the Lease and the Premises from and after the Early Termination                      Date and,                      effective as of the Early Termination Date, forever releases                      and                      discharges Tenant from any and all claims, demands or causes                      of action                      whatsoever against Tenant or its predecessors,                      successors,                      and assigns arising out of or in connection with the Premises                      or the Lease                      and forever releases and discharges Tenant from any obligations                      to be                      observed and performed by Tenant under the Lease                      after the Early Termination Date,                      provided that (i) Tenant has satisfied, performed and fulfilled                      all of the                      agreements set forth in this Termination Agreement, (ii) each                      of the                      representations and warranties set forth in Section 6 below                      are true and                      correct and (iii) Tenant executes and delivers this Termination                      Agreement                      to Landlord on or prior to June 30,                      2005. |
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| 4. | With                        respect to the releases set forth in Sections 2 and 3 above,                        the parties                        acknowledge that they have been advised by legal counsel                        and are familiar                        with the provisions of California Civil Code Section 1542                        which provides                        as follows: |
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| 5. | On                  or prior to the Early Termination Date, Tenant                  shall: |
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|   | (a) | Fulfill                  all covenants and obligations of Tenant under the Lease applicable                  to the                  period prior to and including the Early Termination                  Date. |
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|   | (b) | Completely                  vacate and surrender the Premises to Landlord in accordance with                  the terms                  of the Lease. Without limitation, Tenant shall leave the Premises                  in a                  broom-clean condition and free of all movable furniture and equipment                  and                  shall deliver the keys to the Premises to Landlord or Landlord's                  designee.                  Notwithstanding the foregoing, Tenant shall not remove any of the                  Special                  Improvements (as defined in Exhibit A of this Termination                  Agreement). |
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| 6. | Tenant                    represents and warrants that (a) Tenant is the rightful                    owner of all                    of the Tenant's interest in the Lease; (b) Tenant has                    not made any                    disposition, assignment, sublease, or conveyance of the Lease                    or Tenant's                    interest therein; (c) Tenant has no knowledge of any fact                    or                    circumstance which would give rise to any claim, demand, obligation,                    liability, action or cause of action arising out of or in connection                    with                    Tenant's occupancy of the Premises; (d) no other person                    or entity has                    an interest in the Lease, collateral or otherwise; and (e) there                    are                    no outstanding contracts for the supply of labor or material                    and no work                    has been done or is being done in, to or about the Premises which                    has not                    been fully paid for and for which appropriate waivers of mechanic's                    liens                    have not been obtained. The foregoing representation and warranty                    shall be                    deemed to be remade by Tenant in full as of the Early Termination                    Date. |
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| 7. | Tenant                  shall pay to Landlord the sum of **$297,330.00**                  (the "Termination Fee"). Landlord currently is holding the sum                  of                  **$297,330.00**                  as                  the security deposit (the “Security Deposit”) required pursuant to the                  terms of Section 5 of the Lease in the form of a letter                  of credit (the “Letter of Credit”)                  cash deposit                  from Tenant of which Landlord is the beneficiary. Tenant                  acknowledges that neither the Letter of Credit nor the proceeds                  thereof                  are an asset of Tenant, and in the event of a bankruptcy action                  filed by                  or against Tenant, they shall not be part of the Tenant’s                  estate.                  Landlord and Tenant acknowledge and agree that upon the full and                  proper                  execution of this Termination Agreement by Landlord and Tenant                  (a)                  Landlord shall be entitled to draw on the Letter                  of Credit                  Security Deposit                  and apply the Letter                  of Credit                  Security Deposit                  to                  the Termination Fee required hereunder, and therefore, Landlord                  shall                  retain the Security Deposit and (b) Tenant shall release any and                  all                  claims to the Security Deposit. |
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| 8. | Section                  17 of the Lease*** ***(Indemnification                  and Exculpation)* *shall                  survive the termination of the Lease pursuant to this Termination                  Agreement. |
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| 9. | This                  Termination Agreement specifically is contingent upon Landlord,                  on or                  before 30 days after the full and final execution of this Termination                  Agreement (the “Contingency Date”), entering into a new lease, lease                  amendment or other written agreement (“New AgreementTermination                  Agreement”)                  with another tenant or other third party (the “New Tenant”) to lease the                  Premises described herein. Landlord                  is currently negotiating the terms of the New AgreementTermination                  Agreement                  with the New Tenant. If                  the New AgreementTermination                  Agreement                  has not been fully executed, and if all contingencies relating                  thereto                  have not been waived by Landlord or otherwise satisfied*,*                  on                  or before the Contingency Date, then Landlord may terminate this                  Termination Agreement* *by                  notifying Tenant on or before the earlier of (i) 10 days after                  the                  Contingency Date and (ii) execution of the New AgreementTermination                  Agreement                  by                  New Tenant, whereupon, all termination fees (as described in Section                  7 of                  this* *Termination                  Agreement) shall be returned to Tenant, this Termination Agreement                  shall                  be null and void and of no force or effect, and the Lease shall                  continue                  in full force and effect as if this Termination Agreement had not                  been                  executed. |
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| 10. | Neither                  Landlord nor Tenant shall pay the other party’s commissions, fees or other                  costs incurred in connection with this Termination Agreement or                  with                  respect to the execution of the New Lease by the New Tenant, including                  but                  not limited to any broker’s and/or leasing agent’s commission or fees.                  Both parties to this Termination Agreement will bear all of its                  own                  commissions, fees, or other costs. |
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| 11. | On                  or about May 9, 2005, Landlord filed an unlawful detainer complaint                  against Tenant in the San Diego Superior Court as Case No. GIC847080                  (“Unlawful Detainer Complaint”). Provided Tenant surrenders the Premises                  on or before the Early Termination Date, Landlord shall cause its                  Unlawful                  Detainer Complaint to be dismissed no later than seven (7) days                  after the                  Early Termination Date. As part of the dismissal of the Unlawful                  Detainer                  Complaint, both parties shall bear their own attorneys fees and                  costs in                  connection therewith. |
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| 12. | Each                    signatory of this Termination Agreement represents hereby that                    he or she                    has the authority to execute and deliver the same on behalf of                    the party                    hereto for which such signatory is                    acting. |
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| 13. | This                  Termination Agreement shall be binding upon and inure to the benefit                  of                  Landlord and Tenant and their respective predecessors,                  successors, assigns and related                  entities. |
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| 14. | If                  either party commences an action against the other party arising                  out of or                  in connection with this Termination Agreement, the prevailing party                  shall                  be entitled to recover from the losing party reasonable attorney                  fees and                  costs of suit. |
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| 15. | The                  captions preceding the text of each section hereof are included                  only for                  convenience of reference and shall be disregarded in the construction                  and                  interpretation of this Termination Agreement. |
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| 16. | The                  determination by any Court that any provision of this Termination                  Agreement is unlawful, void or unenforceable shall not affect the                  validity                  of any other provision hereof. |
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| 17. | Each                  party to this Termination Agreement shall promptly executed and                  deliver                  all instruments and documents and take all actions as may be reasonably                  required or appropriate to carry out the purposes of this Termination                  Agreement. |
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| 18. | This                  Termination Agreement is made and entered into for the sole protection                  and                  benefit of the parties hereto, and their predecessors and successors,                  except as otherwise provided herein. |
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| 19. | The                  laws of the State of California shall govern the validity, construction,                  performance and effect of this Termination                  Agreement. |
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**IN        WITNESS WHEREOF**

|   | **LANDLORD:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
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|   | **EOP-INDUSTRIAL                  PORTFOLIO, L.L.C., a Delaware limited liability company** By: EOP                  Operating Limited Partnership, a Delaware limited partnership,                  its sole                  member     By: Equity                  Office Properties Trust, a Maryland real estate investment trust,                  its                  general                  partner By:                  /s/                  Robert E. Dezutti Name: Robert                  E. Dezzutti Title: Senior                  Vice President |
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|   | **TENANT:**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|   |  **IMCOR                  PHARMACEUTICALS CO., a Nevada corporation** By:                   /s/                  B. Jack DeFranco   Name:                  Jack                  DeFranco    Title: Chief                  Operating Officer                                                                                                                                                                                                                                                                                                                       |
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