1Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Rua Cel Nunes de Melo, 1127, P.O. Box 3157, 60430-270 Fortaleza, CE, Brazil
2Department of Organic and Inorganic Chemistry, Federal University of Ceará, P.O. Box 3157, 60430-270 Fortaleza, CE, Brazil