sodium 5-[[4-acetamido-2-(trifluoromethyl)phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate

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

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