[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][#Branch2][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][P][=Branch1][C][=O][=O]"}, {"from": "gpt", "value": "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."}]