2(S)-(N-Benzyl-N-tert-butoxycarbonyl)amino-4-benzyloxy-1-tert-butyldimethylsilyloxybutane
4(S)-(N-Benzyl-N-tert-butyloxycarbonyl)amino-6-benzyloxy-2,3-(2S,3S)-isopropylidenedioxyhexane
4(S)-(N-Benzyl-N-tert-butoxycarbonyl)amino-6-benzyloxy-1,2-2(S)-epoxy-3(S)-hydroxyhexane
Benzyl-[(1S,2S,3S)-1-(2-benzyloxy-ethyl)-2,3-dihydroxy-butyl]-carbamic acid tert-butyl ester
N-Benzyl-N-tert-butyloxycarbonyl-O-benzyl-L-homoserinal