[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch1][#C][C@H1][Branch2][Branch1][#Branch2][C@H1][Branch2][Branch1][Ring2][O][C][Ring1][=Branch1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@@H1][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][O][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is dianion of UDP-N-acetyl-D-galactosamine arising from deprotonation of the diphosphate OH groups; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of an UDP-N-acetyl-D-galactosamine."}]