Acetic acid (R)-carbamoyl-((3aS,4R,6S,6aS)-6-iodomethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-methyl ester

methyl 3,6-anhydro-2-azido-2,7-dideoxy-4,5-O-thiocarbonato-D-glycero-D-altro-heptonoate

methyl 3,6-anhydro-2-azido-2,7-dideoxy-4,5-O-thiocarbonato-D-glycero-D-allo-heptonoate

3,6-anhydro-7-deoxy-4,5-O-isopropylidene-2-O-methanesulfonyl-D-glycero-D-allo-heptonamide

3,6-anhydro-7-deoxy-4,5-O-isopropylidene-2-O-methanesulfonyl-D-glycero-D-altro-heptonamide