Affiliation: | 1. Institute of Molecular Pharmacology and Biophysics, University of Cincinnati, College of Medicine, 231 Bethesda Avenue, Cincinnati, OH 45267-0828;2. Department of the Chemistry of Biologically Active Substances, University “La Sapienza” of Rome, Piazzale A. Moro 5, I-00185 Roma, Italy;3. Department of Chemistry, University of Modena, Via Campi, 183, I-41100, Modena, Italy |