4-(1-amino-2-fluoro-1-oxopropan-2-yl)phenyl trifluoromethanesulfonate

(R,S)-2-[4-(trifluoromethanesulfonyloxy)phenyl]-2-fluoro-propanoic acid

(2S)-2-fluoro-2-(4-{[(trifluoromethyl)sulfonyl]oxy}phenyl)propanoic acid

(2R)-2-fluoro-2-(4-{[(trifluoromethyl)sulfonyl]oxy}phenyl)propanoic acid

4-[1-fluoro-2-(methoxyamino)-1-methyl-2-oxoethyl]phenyl trifluoromethanesulfonate