The molecule is an organophosphonate oxoanion obtained by deprotonation of the two phosphonate OH groups of (1R,2S)-epoxypropylphosphonic acid. It is a conjugate base of a (1R,2S)-epoxypropylphosphonate(1-).
[(2R,3S)-3-methyloxiran-2-yl]-dioxido-oxo-lambda5-phosphane