1. Inorganic Chemistry Department; University of Campinas - UNICAMP, P.O. Box 6154; 13083-970 Campinas, SP Brazil
2. Bioinorganic Chemistry Research Laboratory; Federal University of Juiz de Fora - UFJF; 36036-330 Juiz de Fora, MG Brazil
3. School of Pharmaceutical Sciences; São Paulo State University - UNESP; 14801-902 Araraquara, SP Brazil
4. Chemical, Biological and Agricultural Pluridisciplinary Research Center (CPQBA); University of Campinas - UNICAMP; 13148-218 Paulínia, SP Brazil
5. Faculty of Pharmaceutical Sciences; University of Campinas - UNICAMP; 13083-871 Campinas, SP Brazil
6. Biological and Health Sciences Department; University of Araraquara - UNIARA; 14801-320 Araraquara, SP Brazil