[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a carboxyalkyl phosphate that is the 4-phosphate derivative of (R)-pantoic acid. It is functionally related to a (R)-pantoic acid. It is a conjugate acid of a (R)-4-phosphonatopantoate(3-)."}]