[{"from": "human", "value": "Provide a description of this molecule. [O][P][=Branch1][C][=O][Branch1][C][O-1][O-1].[K+1].[K+1]"}, {"from": "gpt", "value": "The molecule is a potassium salt that is the dipotassium salt of phosphoric acid. It has a role as a buffer. It is a potassium salt and an inorganic phosphate."}]