1-Naphthalenesulfonic acid, 5-hydroxy-, sodium salt (1:1)
1-Naphthalenesulfonic acid, 5-hydroxy-, monosodium salt
1-Naphthol-5-sodium sulfonate
1-Naphthol-5-sulfonic acid sodium salt
Sodium 5-hydroxy-1-naphthalenesulfonate
Sodium 1-naphthol-5-sulfonate
Sodium 5-hydroxynaphthalenesulfonate