EXHIBIT 10.237 LIGAND PHARMACEUTICALS INCORPORATED STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT (the "Agreement") is made as of the 5th day of January, 2001, by and between Ligand Pharmaceuticals Incorporated (the "Company"), a corporation...Stock Purchase Agreement • May 7th, 2001 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • New York
EXHIBIT 10.235 DISTRIBUTORSHIP AGREEMENT THIS DISTRIBUTORSHIP AGREEMENT ("Agreement"), is entered into as of February 28, 2001 between: LIGAND PHARMACEUTICALS INCORPORATED, a corporation organized and existing under the laws of the State of Delaware,...Distributor Agreement • May 7th, 2001 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • England
EXHIBIT 10.234 FOURTH AMENDMENT TO AGREEMENT This Fourth Amendment to Agreement, effective September 9, 1999 is by and between AMERICAN HOME PRODUCTS CORPORATION ("AHP"), a Delaware corporation, as represented by its Wyeth-Ayerst Research Division,...Research, Development and License Agreement • May 7th, 2001 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations
EXHIBIT 10.236 THIS SECOND AMENDMENT AGREEMENT ("SECOND AMENDMENT") is made on February 28, 2001. BETWEEN: (1) ELAN CORPORATION, PLC, a company incorporated in Ireland having its registered office at Lincoln House, Lincoln Place, Dublin 2, Ireland...Development, Licence and Supply Agreement • May 7th, 2001 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • New York
