0000886163-07-000021 Sample Contracts
EXHIBIT 2.1 AMENDMENT NUMBER 2 TO PURCHASE AGREEMENT THIS AMENDMENT NUMBER 2 TO PURCHASE AGREEMENT, (this "AMENDMENT") entered into and effective this the 26th day of February, 2007 (the "EFFECTIVE DATE OF THIS AMENDMENT"), is made by and between...Purchase Agreement • February 28th, 2007 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations
