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

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

((3aR,4R,6S,6aS)-2,2,6-trimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol

(3aR,4R,6S,6aS)-4-(benzyloxymethyl)-2,2,6-trimethyltetrahydrofuro-[3,4-d][1,3]dioxole

(3aS,4S,6S,6aS)-2,2,6-trimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbaldehyde