2-Hydroxybenzaldehyde, sodium bisulfite adduct 26373-91-1 4445-76-5 Benzaldehyde, 2-hydroxy-, compd. with monosodium sulfite (1:1) Benzenemethanesulfonic acid, alpha,2-dihydroxy-, monosodium salt NSC 31653 alpha-Toluenesulfonic acid, o,alpha-dihydroxy-, monosodium salt (8CI)