Exhibit 4.2 SECURITIES PURCHASE AGREEMENTSecurities Purchase Agreement • August 28th, 2000 • Alliance Pharmaceutical Corp • In vitro & in vivo diagnostic substances • New York
Exhibit 4.3 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "AGREEMENT") is made and entered into as of August 22, 2000 among Alliance Pharmaceutical Corp., a New York corporation (the "COMPANY"), and the parties who have...Registration Rights Agreement • August 28th, 2000 • Alliance Pharmaceutical Corp • In vitro & in vivo diagnostic substances • New York
