1. Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
2. Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
3. Discovery Chemistry, Bristol Myers Squibb, US Rt. 206 and Province Line Road, Princeton, New Jersey 08540, United States