1 EXHIBIT 10.170 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT (the "Agreement") is made as of the 25th day of November, 1997 (the "Effective Date"), by and between Ligand Pharmaceuticals Incorporated, a Delaware corporation (the "Company"),...Stock Purchase Agreement • March 31st, 1998 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • Delaware
1 EXHIBIT 10.168 COLLABORATION AGREEMENTCollaboration Agreement • March 31st, 1998 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • Indiana
1 EXHIBIT 10.166 TRANSITION AGREEMENT This TRANSITION AGREEMENT ("Agreement") is entered into as of the 24th day of September, 1997 among ALLERGAN, INC., a Delaware corporation having offices at 2525 Dupont Drive, Irvine, California 92715-1599...Transition Agreement • March 31st, 1998 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
1 EXHIBIT 10.167 DEVELOPMENT AND LICENSE AGREEMENTDevelopment and License Agreement • March 31st, 1998 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • Indiana
OPTION AND WHOLESALE PURCHASE AGREEMENTOption and Wholesale Purchase Agreement • March 31st, 1998 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • Indiana
AMENDED AND RESTATED TECHNOLOGY CROSS LICENSE AGREEMENT AMONG ALLERGAN, INC., LIGAND PHARMACEUTICALS INCORPORATED AND ALLERGAN LIGAND RETINOID THERAPEUTICS, INC.Technology Cross License Agreement • March 31st, 1998 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
