[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch2][Ring1][=N][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][Branch1][Ring1][C][=O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is dianion of D-hamamelose 2(1)-phosphate arising from deprotonation of the phosphate OH groups; major species at pH 7.3. It is a conjugate base of a D-hamamelose 2(1)-(dihydrogen phosphate)."}]