SMILES: C(=C/[O-])\\C(=C/C(=O)C(=O)O)\\C(=O)[O-]
Description: The molecule is a dicarboxylic acid dianion arising from deprotonation of the carboxy groups of 4-carboxy-2-hydroxy-cis,cis-muconic acid 6-semialdehyde; major species at pH 7.3. It is a conjugate base of a 4-carboxy-2-hydroxy-cis,cis-muconate 6-semialdehyde.