134426-36-1 1H-Benzimidazole-2-acetic acid, 5-(bis(2-chloroethyl)amino)-1-methyl-, methyl ester 5-(Bis(2-chloroethyl)amino)-1-methylbenzimidazolyl-2-acetic acid methyl ester 5-Bcmba Methyl 5-(bis(2-chloroethyl)amino)-1-methyl-1H-benzimidazole-2-acetate