4-((2-(Acetylamino)-4-(bis(2-carboxyethyl)amino)phenyl)azo)benzoic acid, trimethyl ester 61038-97-9 Benzoic acid, 4-((2-(acetylamino)-4-(bis(3-methoxy-3-oxopropyl)amino)phenyl)azo)-, methyl ester EINECS 262-566-7 Methyl 4-((2-(acetylamino)-4-(bis(3-methoxy-3-oxopropyl)amino)phenyl)azo)benzoate