benzyl (S)-4-(4-methoxybenzyl)-2,2-dimethyloxazolidine-3-carboxylate

3-tert-butoxycarbonylamino-4-(methylsulfonyloxymethyl)pyrrolidine-1-carboxylic acid benzyl ester

Cbz-Asn-NH2

2-azido-3,4,6-tri-O-benzyl-N-benzyloxycarbonyl-1,2,5-trideoxy-1,5-imino-D-glucitol