1. Department of Chemistry, Federal University of Paraíba, Cidade Universitária, João Pessoa, Paraíba 58051-085, Brazil
2. Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, Recife, Pernambuco 50670-901, Brazil
3. Department of Pharmacosciences, Federal University of Health Sciences of Porto Alegre, Centro Histórico, Porto Alegre, Rio Grande do Sul 90050-170, Brazil