EXHIBIT 10.50 November 2, 1999 Timothy J. Rink, M.D., Sc.D. Chairman & Chief Executive Officer Aurora Biosciences Corporation 11010 Torreyana Road San Diego, CA 92121 Dear Tim: This letter agreement ("Agreement") sets out the terms for your part-time...Letter Agreement • November 15th, 1999 • Aurora Biosciences Corp • Services-commercial physical & biological research • California
SECOND AMENDMENT TO COLLABORATIVE RESEARCH AND LICENSE AGREEMENT This Second Amendment ("Second Amendment") is entered into by and between Bristol-Myers Squibb Pharmaceuticals Research Institute, a division of E.R. Squibb & Sons, Inc., a Delaware...Collaborative Research and License Agreement • November 15th, 1999 • Aurora Biosciences Corp • Services-commercial physical & biological research
