Electrochemical reduction potentials of 1-nitropyrene, 9-nitroanthracene,6-nitrochrysene and 3-nitrofluoranthene and their correlation with direct-acting mutagenicities - Lopes, Wilson Araújo; Pereira, Pedro Afonso de Paula; Viertler, Hans; Andrade, Jailson Bittencourt de (Journal of the Brazilian Chemical Society, 2005)