EXHIBIT 2.4 PREFERRED STOCK PURCHASE AGREEMENT (this "Agreement") dated as of July 16, 1997, by and between ANSAN PHARMACEUTICALS, INC., a Delaware corporation (the "Company"), and DISCOVERY LABORATORIES, INC., a Delaware corporation (the "Purchaser")...Preferred Stock Purchase Agreement • July 21st, 1997 • Ansan Pharmaceuticals Inc • Biological products, (no disgnostic substances) • Delaware
BETWEENAnsan Pharmaceuticals Inc • July 21st, 1997 • Biological products, (no disgnostic substances) • Delaware
