1. Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
2. Automated Synthesis Facility, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
3. Chemical Process Development, Bristol Myers Squibb, One Squibb Drive, New Brunswick, New Jersey 08901, United States