乙醇

(R)-1-benzyloxy-N-tert-butoxycarbonyl-2-propylamine

2-[3,5-bis(trifluoromethyl)phenylsulfonyl]ethyl (L)-N-(tert-butyloxycarbonyl)alaninate

(2,4-dichlorophenyl)(4-methoxyphenyl)methyl (tert-butoxycarbonyl)-D-alaninate