1. Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455, United States
2. Institute for Therapeutics Discovery and Development, Department of Medicinal Chemistry, University of Minnesota, 717 Delaware Street SE, Minneapolis, Minnesota 55414, United States
3. Department of Medicinal Chemistry, University of Minnesota, 2231 Sixth St. SE, Minneapolis, Minnesota 55455, United States