sodium 5-[[4-[(3-acetamidophenyl)azo]-2,5-dimethoxyphenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate

5-[[4-[[3-(Acetylamino)phenyl]azo]-2,5-dimethoxyphenyl]azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid sodium salt

2-Naphthalenesulfonic acid, 5-[[4-[[3-(acetylamino)phenyl] azo]-2,5-dimethoxyphenyl]azo]-6-amino-4-hydroxy -, monosodium salt