SMILES: C(C(=O)C(=O)[O-])P(=O)=O
Description: The molecule is a 2-oxo monocarboxylic acid anion arising from deprotonation of the carboxy and hydroxyphosphinyl groups of (hydroxyphosphinyl)pyruvic acid; major species at pH 7.3. It is a conjugate base of a 3-[hydroxy(oxido)phosphoranyl]pyruvic acid.