SMILES: CC(C(=O)O)C(=O)[O-]
Description: The molecule is a dicarboxylic acid monoanion resulting from the removal of a proton from one of the carboxylic acid groups of methylmalonic acid. It has a role as a human metabolite. It is a conjugate base of a methylmalonic acid. It is a conjugate acid of a methylmalonate(2-).