[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][P][=Branch1][C][=O][Branch1][Ring2][O][C][C][O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a phosphonic ester obtained by the esterification of both the hydroxy groups of butylphosphonic acid with ethanol and 2-phenylethanol respectively. It has a role as a metabolite. It is functionally related to a butylphosphonic acid."}]