1. Department of Medicinal Chemistry and Institute for Translational Neuroscience, University of Minnesota, Minneapolis, Minnesota 55455, United States
2. College of Pharmacy, Nova Southeastern University, Fort Lauderdale, Florida 33328-2018, United States
3. College of Medicine, Georgetown University, Washington, D.C. 20057, United States
4. Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States