Einecs 245-682-2

4-[(4-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid

4-[(4-Hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonic acid

1-Naphthalenesulfonic acid, 4-((4-hydroxy-1-naphthalenyl)azo)-

1-Naphthalenesulfonic acid, 4-(2-(4-hydroxy-1-naphthalenyl)diazenyl)-