[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch1][=N][C@H1][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O-1][O-1][S][O]"}, {"from": "gpt", "value": "The molecule is an organophosphonate oxoanion obtained by deprotonation of the phosphonate OH groups of [(1R,2S)-2-hydroxy-1-thiopropyl]phosphonic acid; major species at pH 7.3. It is a conjugate base of a [(1R,2S)-2-hydroxy-1-thiopropyl]phosphonic acid."}]