(2S)-tert-butyl 2-((1S)-2-chloro-1-((tetrahydro-2H-pyran-2-yl)oxy)ethyl)aziridine-1-carboxylate

tert-butyl ((2R,3S)-1,4-dichloro-3-((tetrahydro-2H-pyran-2-yl)oxy)butan-2-yl)carbamate

(3S)-3-([(1,1-dimethylethyl)oxy]carbonylamino)-1-(methylsulfanyl)-2-oxo-4-phenylbutyl ethanoate

1,1-dimethylethyl N-[(1S)-3-(methylsulfinyl)-2-oxo-1-(phenylmethyl)propyl]carbamate

BOC-L-苯胺-4-硝基苯酯