1. Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
2. Department of Structural Biology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York 14203, United States
3. Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
4. Division of Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis, Minnesota 55455, United States