Affiliation: | 1. Department of Medicinal Chemistry and Pharmacognosy, School of Pharmacy and Pharmacal Sciences, Purdue University, West Lafayette, IN 47907, U.S.A.;2. Department of Chemistry, Indiana University, Bloomington, IN 47401, U.S.A.;3. Instituto de Quimica, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil |