[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][P][=Branch1][C][=O][Branch1][N][C][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a butyric acid derivative having an oxo group at the 2-position and a hydroxymethylphosphinyl moiety at the 4-position. It is functionally related to a butyric acid. It is a conjugate acid of a 4-(hydroxymethylphosphinyl)-2-oxobutyrate."}]