3-amino-5-O-benzyl-3-C-cyano-3-deoxy-3-N-ethanesulfonyl-1,2-O-isopropylidene-3-N-methyl-α-D-ribofuranose

3-amino-3-N-benzyl-5-O-benzyl-3-C-cyano-3-deoxy-1,2-O-isopropylidene-3-N-methanesulfonyl-3-N-methyl-α-D-ribofuranose

(3aR,5S,6R,6aR)-4'-amino-5-((benzyloxy)methyl)-2,2-dimethyl-5'-phenyl-3a,6a-dihydro-2'H,5H-spiro[furo[2,3-d][1,3]dioxole-6,3'-isothiazole] 1',1'-dioxide

3-amino-3-N-benzyl-5-O-benzyl-3-C-cyano-3-deoxy-1,2-O-isopropylidene-3-N-phenylmethanesulfonyl-α-D-ribofuranose

5-O-benzyl-3-C-cyano-3-deoxy-1,2-O-isopropylidene-3-N-methylbenzamido-α-D-ribofuranose