1. Laboratory of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas, Rua Monteiro Lobato, S/N, 13083-970, Campinas, São Paulo, Brazil
2. Laboratory of Medicinal and Computational Chemistry, Institute of Physics of Sao Carlos, University of Sao Paulo – Avenida Joao Dagnone, 1100-13563-120 – Sao Carlos, SP, Brazil