1. Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
2. Department of Chemistry, Wellesley College, 106 Central St., Wellesley, Massachusetts 02481, United States
3. Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
4. Department of Discovery Chemistry, Bristol Myers Squibb, 250 Water St., Cambridge, Massachusetts 02141, United States
5. Chemical Process Development, Bristol Myers Squibb, 1 Squibb Dr. New Brunswick, New Jersey 08901, United States