[{"from": "human", "value": "Describe this molecule. [C][Branch1][#C][C][Branch1][Ring1][C][O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O]"}, {"from": "gpt", "value": "The molecule is dianion of glycerol 2-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3. It is a conjugate base of a glycerol 2-phosphate."}]