Synonyms: Fosfomycin Calcium;(-)-(1R,2S)-(1,2-Epoxypropyl)phosphonic acid;[(2R,3S)-3-Methyloxiranyl]phosphonic acid calcium salt;calcium [(2R,3S)-3-methyloxiran-2-yl]phosphonate;calcium [(2S,3R)-3-methyloxiran-2-yl]phosphonate;calcium (3-methyloxiran-2-yl)phosphonate;Phosphomycin calcium salt;Phosphonic acid, (3-methyloxiranyl)-, calcium salt (1:1), (2R-trans)-