5-hydroxy-1,2-O-isopropylidene-α-D-glucofuranurono-6,3-lactone

5-azido-5-deoxy-1,2-O-isopropylidene-α-D-glucurono-3,6-lactone

5-(t-BOC)amino-5-deoxy-1,2-O-isopropylidene-α-D-glucofuranose

(3aR,3bS,6aR,7aR,E)-6-((benzyloxy)imino)-2,2-dimethyltetrahydrofuro[2',3':4,5]furo[2,3-d][1,3]dioxol-5(3aH)-one

methyl 3,5-di-O-benzyl-2,6-dideoxy-2,6-imino-D-mannofuranoside