1. Drug Design and Synthesis Section, Chemical Biology Research Branch, National Institute on Drug Abuse, and Center for Molecular Modeling, Division of Computational Bioscience, Center for Information Technology, National Institutes of Health, DHHS, Bethesda, MD 20892, University of New England, College of Osteopathic Medicine, Biddeford, ME 04005, Laboratory for the Structure of Matter, Naval Research Laboratory, Washington, DC 20375, Department of Pharmacology and Toxicology, School of Medicine, Virginia...