Synthesis, in vitro evaluation, and SAR studies of a potential antichagasic 1H-pyrazolo[3,4-b]pyridine series - Dias, Luiza R. S.; Santos, Marcelo B.; Albuquerque, Sérgio de; Castro, Helena C.; Souza, Alessandra M. T. de; Freitas, Antônio C. C.; DiVaio, Maria A. V.; Cabral, Lucio M.; Rodrigues, Carlos R. (Bioorganic & Medicinal Chemistry, 2007)