2-Sulfobenzaldehyde Sodium Salt

2-Formylbenzenesulfonic Acid Sodium Salt; 2-Formylbenzenesulfonic Acid Sodium Salt; Benzaldehyde-2-sulfonic Acid Sodium Salt; Benzaldehyde-o-sulfonic Acid Sodium Salt; o-Formylbenzenesulfonic Acid Sodium Salt; o-Sulfobenzaldehyde Sodium Salt;