[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][P][=Branch1][C][=O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an organic phosphonate having O-1-carboxyvinyl and C-carboxy substituents. It is an organic phosphonate and a phosphonic ester. It is a conjugate acid of a 1-carboxylatovinyl carboxylatophosphonate(3-)."}]