1008-72-6 2-Sulfobenzaldehyde, sodium salt Benzaldehyde-o-sulfonic acid sodium salt Benzenesulfonic acid, 2-formyl-, sodium salt Benzenesulfonic acid, o-formyl-, sodium salt NSC4868 Sodium 2-formylbenzenesulfonate Sodium benzaldehyde-2-sulfonate Sodium o-benzaldehyde sulfonate Sodium o-formylbenzenesulfonate o-Formylbenzenesulfonic acid sodium salt