[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][C][C][C][=Branch1][C][=O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is dianion of 2-methylpropanoyl phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3. It is a conjugate base of a 2-methylpropanoyl phosphate."}]