| 2-Naphthalenesulfonic acid, 6-[(2-hydroxy-1-naphthalenyl)azo]-, barium salt (2:1) |
| 6-[(2-Hydroxy-1-naphthalenyl)azo]-2-naphthalenesulfonic acid, barium salt (2:1) |
| 6-[(2-hydroxy-1-naphthalenyl)azo]-2-naphthalenesulfonic aci barium salt (2: |
| 6-[(2-hydroxy-1-naphthalenyl)azo]-2-naphthalenesulfonic aci barium salt (2:1) |
| 2-Naphthalenesulfonic acid,6-[(2-hydroxy-1-naphthalenyl)azo]-,barium salt(2:1) |
| 6-[(2-Hydroxy-1-naphthalenyl)azo]-2-naphthalenesulfonic acid,barium salt(2:1) |
