Synonyms: o-Phenylenediamine,4,5-dinitro- (7CI,8CI);1,2-Diamino-4,5-dinitrobenzene;1,2-Dinitro-4,5-diaminobenzene;4,5-Dinitro-1,2-benzenediamine;4,5-Dinitro-1,2-diaminobenzene;4,5-Dinitro-1,2-phenylenediamine;4,5-Dinitro-o-phenylenediamine;NSC 170936;