2-(4-Bis(2-chloroethyl)aminophenyl)azobenzoic acid 4-16-00-00505 (Beilstein Handbook Reference) 40136-87-6 BENZOIC ACID, 2-((4-(BIS(2-CHLOROETHYL)AMINO)PHENYL)AZO)- BRN 3415461 Benzoic acid, O-(p-(bis(2-chloroethyl)amino)phenylazo)- (6CI) NSC 240373