fosfomycin(-)-(1R,2S)-(1,2-Epoxypropyl)phosphonic acid(1R,2S)-epoxypropylphosphonic acid(2R-cis)-(3-Methyloxiranyl)phosphonic acid1R-cis-(1,2-epoxypropyl)phosphonic acidFCMFOSFOMYCINL-cis-1,2-epoxypropylphosphonic acidPhosphomycinPhosphonomycincis-(1R,2S)-epoxypropylphosphonic acidphosphonemycin