Voltammetric behavior of nitrofurazone and its hydroxymethyl prodrug with potential anti-Chagas activity - La-Scalea, Mauro Aquiles; Menezes, Carla Maria de Souza; Julião, Murilo Sérgio da Silva; Chung, Man Chin; Serrano, Silvia Helena Pires; Ferreira, Elizabeth Igne (Journal of the Brazilian Chemical Society, 2005)