1,3-Benzenedicarboxylic acid 10027-33-5 121-91-5 4-09-00-03292 (Beilstein Handbook Reference) 55185-18-7 AI3-16107 Acide isophtalique [French] BRN 1909332 Benzene-1,3-dicarboxylic acid EINECS 204-506-4 HSDB 2090 IPA ISOPHTHALIC ACID Isophthalate Kyselina isoftalova [Czech] NSC 15310 m-Benzenedicarboxylic acid m-Phthalic acid