[{"from": "human", "value": "Provide a brief overview of this molecule. [O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a mineral acid with the chemical formula H3PO4. Alternatively, orthophosphoric acid molecules can combine with themselves to form a variety of compounds referred to as phosphoric acids in a more general way. For a discussion of these, see Phosphoric acids and Phosphates. Appears to exist only as a food additive and produced synthetically. --Wikipedia."}]