(1,1'-Biphenyl)-4,4'-diamine, 3,3'-dinitro- (9CI) 3,3'-Dinitro(1,1'-biphenyl)-4,4'-diamine 3,3'-Dinitro-(1,1'-biphenyl)-4,4'-diamine 3,3'-Dinitrobenzidine 4-13-00-00387 (Beilstein Handbook Reference) 6271-79-0 BRN 2817867 Benzidine, 3,3'-dinitro- CCRIS 6584 EINECS 228-457-3