2,2'-Bis(4-nitrophenyl)carbonic dihydrazide 3-15-00-00379 (Beilstein Handbook Reference) 4,4'-Dinitrophenylcarbazide 622-69-5 BRN 3486085 CARBOHYDRAZIDE, 1,5-BIS(p-NITROPHENYL)- Carbonic dihydrazide, 2,2'-bis(4-nitrophenyl)- (9CI) NSC 525795