1,3-Benzenedicarboxylic acid, 2-hydroxy- (9CI) 2-Hydroxy-1,3-benzenedicarboxylic acid 2-Hydroxyisophthalic acid 4-10-00-02089 (Beilstein Handbook Reference) 606-19-9 BRN 2102863 ISOPHTHALIC ACID, 2-HYDROXY- NSC 252689