1,3-Benzenedicarboxylic acid, 4-hydroxy- (9CI) 4-10-00-02091 (Beilstein Handbook Reference) 4-HIPA 4-HYDROXY-1,3-BENZENEDICARBOXYLIC ACID 4-Hydroxy-m-phthalic acid 4-Hydroxyisophthalic acid 636-46-4 AI3-24050 BRN 2211981 EINECS 211-258-0 Eupirina Isophthalic acid, 4-hydroxy- NSC 2445