SMILES: C1=C(OC(=C1)C(=O)[O-])C=O
Description: The molecule is a furancarboxylate that is the conjugate base of 5-formyl-2-furoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a furancarboxylate and an aldehydic acid anion. It is a conjugate base of a 5-formyl-2-furoic acid.