beta-alanine, n-[3-(acetylamino)-4-[(2,4-dinitrophenyl)azo]phenyl]-n-(3-methox

3,3'-[N-[3-Acetylamino-4-(2,4-dinitrophenylazo)phenyl]imino]dipropionic acid dimethyl ester

methyl N-[3-(acetylamino)-4-[(2,4-dinitrophenyl)azo]phenyl]-N-(3-methoxy-3-oxopropyl)-beta-alaninate

.beta.-Alanine, N-3-(acetylamino)-4-(2,4-dinitrophenyl)azophenyl-N-(3-methoxy-3-oxopropyl)-, methyl ester

-Alanine, N-[3-(acetylamino)-4-[(2, 4-dinitrophenyl)azo]phenyl]-N-(3-methoxy-3-oxopropyl )-, methyl ester

N-[3-(Acetylamino)-4-[(2,4-dinitrophenyl)azo]phenyl]-N-[2-(methoxycarbonyl)ethyl]-.beta.-alanine,methyl ester