(4R,5S)-5-benzyloxycarbonylamino-8-tert-butyloxycarbonylamino-4-methanesulfonyloxy-1-octene

(1S,10S)-1-benzyloxycarbonylamino-7,8-didehydroquinolizidine

((2S,3S)-1,2-Diallyl-piperidin-3-yl)-carbamic acid benzyl ester

Methanesulfonic acid (1R,2S)-1-allyl-5-amino-2-benzyloxycarbonylamino-pentyl ester

(5S)-5-benzyloxycarbonylamino-8-tert-butyloxycarbonylamino-4-oxo-1-octene