(2S)-1-benzyl 6-methyl 2-((tert-butoxycarbonyl)amino)-5-(pyridin-2-ylthio)hexanedioate

Boc-L-天冬氨酸 1-苄酯

1-benzyl 4-(2-thioxopyridin-1(2H)-yl) (tert-butoxycarbonyl)-L-aspartate

Nα,Nε-di-tert-butyloxycarbonyl-L-lysine 2,2,2-trichloroethyl ester