1. Department of Organic Chemistry, Institute of Chemistry, University of Campinas, UNICAMP, 13083-970-Campinas, SP, Brazil
2. Eurofarma Laboratórios S/A, 06696-000-Itapevi, SP, Brazil
3. Center of Medicinal Chemistry (CQMED), University of Campinas, UNICAMP, 13083-886-Campinas, SP, Brazil