1. Organic Chemistry Department, Southern Research Institute, Birmingham, Alabama 35205,
United States
2. Translational
Pharmacology Section,
Chemical Biology Research Branch, Intramural Research Program, National
Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Baltimore,
Maryland 21224, United States
3. Department of Biomedical Sciences,
College of Osteopathic Medicine and Center for Excellence in the Neurosciences, University of New England, Biddeford, Maine 04005,
United States