dicarboxylic acid dianion isophthalate(2-) benzene-1,3-dicarboxylate 164.01206 isophthalate 164.11496 -2 1,3-benzenedicarboxylate QQVIHTHCMHWDBS-UHFFFAOYSA-L CHEBI:30803 Beilstein:3906186 [O-]C(=O)c1cccc(c1)C([O-])=O C8H4O4 chebi_ontology Gmelin:328933 InChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)/p-2 isophthalate(1-)