[{"from": "human", "value": "Please give me some details about this molecule. [C][C][O][P][=Branch1][C][=O][Branch1][C][O][O-1]"}, {"from": "gpt", "value": "The molecule is an organophosphate oxoanion that is the conjugate base of ethyl dihydrogen phosphate arising from deprotonation of one of the OH groups of the phosphate. It has a role as an epitope and a phosphoantigen. It is a conjugate base of an ethyl dihydrogen phosphate. It is a conjugate acid of an ethyl phosphate(2-)."}]