methyl 2-[[3-[[[4-(acetylamino)phenyl]amino]carbonyl]-2-hydroxy-1-naphthyl]azo]-4-[[(2,3-dichlorophenyl)amino]carbonyl]benzoate

2-[[3-[[[4-(Acetylamino)phenyl]amino]carbonyl]-2-hydroxy-1-naphthalenyl]azo]-4-[[(2,3-dichlorophenyl)amino]carbonyl]benzoic acid methyl ester