sodium 3-[(8-hydroxyquinolin-7-yl)azo]benzenesulphonate

3-[(8-Hydroxy-7-quinolinyl)azo]benzenesulfonic acid sodium salt

3-[(8-hydroxy-7-quinolinyl)azo]-benzenesulfonic acid monosodium salt

Benzenesulfonic acid, 3-[(8-hydroxy-7-quinolinyl)azo]-, monosodium salt