1. Department of Pharmacology and Emory Chemical Biology Discovery Center, Emory University School of Medicine, Atlanta, Georgia.
2. Department of Pathology, University of Michigan, Ann Arbor, Michigan.
3. Life Sciences Institute, University of Michigan, Ann Arbor, Michigan.
4. Department of Biological Chemistry, University of Michigan, Ann Arbor, Michigan.
5. Laboratory of Medicinal Chemistry, National Cancer Institute-Frederick, National Institutes of Health, Frederick, Maryland.
6. Departments of Internal Medicine and Medicinal Chemistry, University of Michigan Comprehensive Cancer Center, Ann Arbor, Michigan.
7. Winship Cancer Institute, Emory University, Atlanta, Georgia.