The molecule is an L-cysteine thioether in which the thiol hydrogen is replaced by a (1R,2S)-2-hydroxy-1-phosphonopropyl group It is a L-cysteine thioether, a member of phosphonic acids and a secondary alcohol. It is a conjugate acid of a (1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate(2-).
(2R)-2-amino-3-[(1R,2S)-2-hydroxy-1-phosphonopropyl]sulfanylpropanoic acid