(1-Boc-indol-3-yl)methylmethanesulfonate

tert-butyl 2-methoxyethylcarbamate

(R)-tert-butyl (1-cyano-3-(2,4,5-trifluorophenyl)propan-2-yl)carbamate

(S)-benzyl 5-azido-2-(tert-butoxycarbonylamino)pentanoate

methyl (R)-2-((tert-butoxycarbonyl)amino)-3-(4-chlorophenyl)propanoate