[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][=C][C@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a hexaric acid anion obtained by deprotonation of the two carboxy groups of 3-deoxy-D-threo-hex-2-ulosaric acid; major species at pH 7.3. It is a conjugate base of a 3-deoxy-D-threo-hex-2-ulosaric acid."}]