| 1-Naphthylamine-4-sulfonic acid sodium salt |
| sodium 1-amino-4-naphthalene sulfonate |
| Sodium 1-naphthylamine-4-sulfonate |
| 1-Naphthalenesulfonic acid, 4-amino, monosodium salt |
| 4-amino-1-naphthalenesulfonic aci monosodium salt |
| 4-amino-1-naphthalenesulfonic acid, sodiumsalt, hydrate |
| 1-Naphthylamine-4-sulfonic aci |
| 1-Naphthalenesulfonic acid,4-amino,monosodium salt |
| 1-Amino-4-naphthalene sulfonic acid sodium |