(R)-3-((tert-butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic acid

Tris(2,2,2-trifluoroethyl)borate

(2S)-1-(2,2,2-trifluoroacetyl)pyrrolidine-2-carbonyl chloride

2-Bromo-4,6-difluorobenzene-1-sulfonyl chloride

2-Chloro-4-fluoro-5-nitrobenzoic acid

3-Butenaldiethylacetal