1H-Benzimidazole-2-methanamine, N,N-bis(2-chloroethyl)- (9CI) 2-(Bis(beta-chloroethyl)aminomethyl)benzimidazole 3689-77-8 BENZIMIDAZOLE, 2-(BIS-(2-CHLOROETHYL)AMINOMETHYL)- Dimezol 14 NSC-23891