acide m-hydroxybenzenesulfonique, m-Phenolsulfonic acid, phenol-3-sulphonic acid, 3-hydroxybenzenr sulfonic acid, m-hydroxybenzenesulphonic acid, 1-Phenol-3-sulfonic acid, m-Hydroxybenzenesulfonic acid, 3-Hydroxybenzenesulfonic acid, phenol-3-sulfonic acid