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

2-O-acetyl-3,6-anhydro-7-O-benzyl-4,5-O-isopropylidene-D-glycero-D-altro-heptonamide

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