3-05-00-01797 (Beilstein Handbook Reference) 54616-45-4 BRN 2168611 Benzene, 1,1'-methylenebis(4-chloro-2-nitro- (9CI) Bis(4-chloro-2-nitrophenyl)methane METHANE, BIS(4-CHLORO-2-NITROPHENYL)- NSC 77614