[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a trionic acid that consists of propionic acid substituted at positions 2 and 3 by hydroxy groups. It has a role as a fundamental metabolite. It is functionally related to a propionic acid. It is a conjugate acid of a glycerate."}]