Methanesulfonic acid (1S,3R)-1-(tert-butyl-dimethyl-silanyloxymethyl)-4,4,4-trifluoro-3-methanesulfonyloxymethyl-butyl ester

(2R,4S)-1-O-acetyl-5-(tert-butyldimethylsilyl)-2,3-dideoxy-2-trifluoromethylpentofuranose