1. Department of Chemistry and Biochemistry, University of California at San Diego, La Jolla, California 92093-0343, Center for Drug Discovery, College of Pharmacy, University of Florida, J. Hillis Miller Health Center, Gainesville, Florida 32610, Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, California 94143, Department of Medicine, Tulane University Medical Center, New Orleans, Louisiana 70112, and Department of Pharmacology, University of Pennsylvania,...