三苯基氧化膦

tert-butyl ((2S,3R)-4-((S)-2-(tert-butylcarbamoyl)pyrrolidin-1-yl)-3-hydroxy-4-oxo-1-phenylbutan-2-yl)carbamate

methyl 1-[(1,1-dimethylethoxy)carbonyl]-2-pyrrolidinepropanoate

(2'S,3Z)-4-(1-t-butoxycarbonylpyrrolidin-2-yl)-1-trimethylsilylbut-3-en-1-yne

L-proline-L-leucine methyl ester