SMILES: C(=C(/C=C(/C(=O)O)\\O)\\C(=O)O)\\C(=O)O
Description: The molecule is a tricarboxylic acid that is buta-1,3-diene-1,2,4-tricarboxylic acid substituted by a hydroxy group at position 4. It is a tricarboxylic acid, a hydroxy carboxylic acid and an enol. It is a conjugate acid of a 4-carboxylato-2-hydroxyhexa-2,4-dienedioate(3-).