1. Chemical Process Development, Bristol Myers Squibb, One Squibb Drive, New Brunswick, New Jersey 08903, United States
2. Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
3. Material Science and Engineering, Bristol Myers Squibb, One Squibb Drive, New Brunswick, New Jersey 08903, United States