methyl 4-[[[3-[[2-hydroxy-3-[[(2-methoxyphenyl)amino]carbonyl]-1-naphthyl]azo]-4-methylphenyl]sulphonyl]oxy]benzoate

4-[[[3-[[2-Hydroxy-3-[[(2-methoxyphenyl)amino]carbonyl]-1-naphtyl]azo]-4-methylphenyl]sulfonyl]oxy]benzoic acid methyl ester

Benzoic acid, 4-[[[3-[[2-hydroxy-3-[[(2-methoxyphenyl)amino]carbonyl]-1-naphthalenyl] azo]-4-methylphenyl]sulfonyl]oxy]-, methyl ester