| .beta.-Alanine,N-(2-cyanoethyl)-N-[4-[(2-cyano-4-nitrophenyl)azo] phenyl]-,methyl ester |
| Benzenamine,N-[2-(methoxycarbonyl)ethyl]-N-(2-cyanoethyl)-4-[(4-nitro-2-cyanophenyl)azo]- |
| .beta.-Alanine, N-(2-cyanoethyl)-N-[4-[(2-cyano-4-nitrophenyl) azo] phenyl]-, methyl ester |
| N-[2-(methoxycarbonyl)ethyl]-N-(2-cyanoethyl)-4-[(4-nitro-2-cyanophenyl)azo]-Benzenamine |
| N-(2-Cyanoethyl)-N-[2-(methoxycarbonyl)ethyl]-4-[(2-cyano-4-nitrophenyl)azo]benzeneamine |
| n-(2-cyanoethyl)-n-[4-[(2-cyano-4-nitrophenyl)azo]phenyl]-beta-alanin meth |
| beta-alanine, |
