[{"from": "human", "value": "What can you tell me about this molecule? [C][P][=Branch1][C][=O][Branch1][N][C][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a butyric acid derivative having an (R)-hydroxy sbustituent 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 (R)-2-hydroxy-4-(hydroxymethylphosphinyl)butyrate."}]