ethyl 2-acetamido-2-ethoxycarbonyl-5-bromovalerate
N-benzyloxyamine
acetic anhydride
N2-(tert-butoxycarbonyl)-N5-acetyl-N5-(benzyloxy)-L-ornithine
methyl(S)-5-[N-(benzyloxy)acetamido]-2-{(S)-5-[N-(benzyloxy)acetamido]-2-[(tert-butoxy-carbonyl)amino]pentanamide}pentanoate
(S)-5-(Acetyl-benzyloxy-amino)-2-tert-butoxycarbonylamino-pentanoic acid methyl ester
(S)-5-(Acetyl-benzyloxy-amino)-2-amino-pentanoic acid methyl ester
N5-Acetyl-N5-benzyloxy-L-ornithin