1. Department of Chemistry, Columbia University, New York, New York 10027, United States
2. Chemical Process Development, Bristol Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
3. Small Molecule Drug Discovery, Bristol Myers Squibb, Princeton, New Jersey 08543, United States
4. Small Molecule Drug Discovery, Bristol Myers Squibb, San Diego, California 92121, United States