1. Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
2. The Purdue Center for Cancer Research, Purdue University, West Lafayette, Indiana 47907, United States
3. Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, Indiana 47907, United States
4. Department of Pathology and Mary H. Weiser Food Allergy Center, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
5. Developmental Therapeutics Branch and Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
6. Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States