1. Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
2. Department of Chemistry, University of Redlands, Redlands, California 92373, United States
3. Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
4. Department of Pharmacology, School of Medicine, Creighton University, Omaha, Nebraska 68178, United States