benzenesulfonic acid, 3-[[2-hydroxy-3-[[(2-methylphenyl)amino]carbonyl]-1-napht

nitrophenyl 3-[[2-hydroxy-3-[(2-methylphenyl)carbamoyl]-1-naphthyl]azo]-4-methoxybenzenesulphonate

1-[[2-Methoxy-5-[(4-nitrophenoxy)sulfonyl]phenyl] azo]-3-[[(2-methylphenyl)amino]carbonyl]-2-naphthol

3-[2-Hydroxy-3-(2-methylphenylaminocarbonyl)-1-naphthalenylazo]-4-methoxybenzenesulfonic acid 4-nitrophenyl ester

Benzenesulfonic acid, 3-[[2-hydroxy-3-[[(2-methylphenyl)amino]carbonyl]-1-naphthalenyl] azo]-4-methoxy-, 4-nitrophenyl ester