1. Department of Drugs and Medicines São Paulo State University (Unesp) School of Pharmaceutical Sciences Araraquara-Jaú Road, Km 01, s/n, 14.801-903 Araraquara SP Brazil
2. Research Group on Natural Products Center for Research in Sciences and Technology University of Franca Franca São Paulo Brazil
3. Department of Chemistry University of São Paulo (USP) Faculty of Philosophy Sciences and Letters, Av. do Café, s/n, 14.040-903 Ribeirão Preto SP Brazil