3-Carboxyphenol 3-Hydroxybenzoic acid 4-27-00-07537 (Beilstein Handbook Reference) 7720-19-6 99-06-9 AI3-03110 Acido m-idrossibenzoico [Italian] BRN 0508160 Benzoic acid, 3-hydroxy- Benzoic acid, m-hydroxy- EINECS 202-726-5 Kyselina 3-hydroxybenzoova [Czech] M-HYDROXYBENZOIC ACID NSC 55746 m-Hba m-Salicylic acid