SMILES: C(C(C(C(=O)[O-])O)C(=O)[O-])[P+](=O)[O-]
Description: The molecule is a dicarboxylic acid anion obtained by deprotonation of the carboxy and phosphino groups of phosphinomethylisomalic acid; major species at pH 7.3. It is a conjugate base of a phosphinomethylisomalic acid.