SMILES: C(C(=O)C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O
Description: The molecule is the tricarboxylate anion of 2-hydroxy-4-oxobutane-1,2,4-tricarboxylic acid; major species at pH 7.3. It is a conjugate base of a 2-hydroxy-4-oxobutane-1,2,4-tricarboxylic acid.