2,6-Dicarboxyl-4-pyrone 4-OXO-4H-PYRAN-2,6-DICARBOXYLIC ACID 4-Oxo-1,4-pyran-2,6-dicarboxylic acid 4H-Pyran-2,6-dicarboxylic acid, 4-oxo- 5-18-08-00646 (Beilstein Handbook Reference) 99-32-1 AI3-19253 BRN 0163607 Chelidonic acid Compound XI* Compound XI* (Cherry and Hageman) EINECS 202-749-0 Jerva acid Jervaic acid Jervasic acid NSC 3979 gamma-Pyrone-2,6-dicarboxylic acid