12217-86-6 3-((4-((2-Chloro-4-nitrophenyl)azo)phenyl)(2-cyanoethyl)amino)propanoic acid, methyl ester 39328-04-6 6657-37-0 73299-45-3 C.I. Disperse Red 54 Disperse Red 54 EINECS 229-692-4 Methyl N-(4-((2-chloro-4-nitrophenyl)azo)phenyl)-N-(2-cyanoethyl)-beta-alaninate beta-Alanine, N-(4-((2-chloro-4-nitrophenyl)azo)phenyl)-N-(2-cyanoethyl)-, methyl ester