N-Boc-L-缬氨醇

(4R,5S)-5-(1,2-bis(isopropoxycarbonyl)hydrazino)-4-isopropyl-2-oxazolidinone

2-(叔丁氧羰基氧亚氨基)-2-苯乙腈

N-重氮基氨基甲酸叔-丁基酯

Boc-DL-Val-ONP