Jorge, Salomao Doria; Palace-Berl, Fanny; Masunari, Andrea; Cechinel, Cleber Andre; Ishii, Marina; Pasqualoto, Kerly Fernanda Mesquita; Tavares, Leoberto Costa Bioorganic and Medicinal Chemistry, 2011 , vol. 19, # 16 p. 5031 - 5038