[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch2][C][P][=Branch1][C][=O][Branch1][C][O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of (2-aminoethyl)phosphonic acid. It is a tautomer of a (2-aminoethyl)phosphonic acid."}]