1. Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
2. Department of Molecular Pathobiology, College of Dentistry, New York University, New York, New York 10010, United States
3. Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
4. Department of Pharmacology and Therapeutics, College of Medicine, University of Florida, Gainesville, Florida 32610, United States
5. Department of Pharmacology and Chemical Biology, School of Medicine, Emory University, Atlanta, Georgia 30322, United States