4-Di-2''-chloroethylamino-2-methylazobenzene-2'-carboxylic acid sodium salt Benzoic acid, o-((4-(bis(2-chloroethyl)amino)-2-methylphenyl)azo)-, sodium salt CB 1414 DG4425500 o-((4-(Bis(2-chloroethyl)amino)-2-methylphenyl)azo)benzoic acid sodium salt