T65.3X4 - Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined T65.3 - Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues T65.3X - Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues T65.3X4 - Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined