(3aS,8R,8aR,9S,9aS)-5-Benzyl-9-benzyloxy-8-(tert-butyl-dimethyl-silanyloxy)-2,2-dimethyl-octahydro-[1,3]dioxolo[4,5-f]indolizin-5-ium

N-benzyl-4-O-benzyl-1,5-dideoxy-1,5-imino-2,3-O-isopropylidene-L-mannitol

(3aR,6S,7R,7aR)-5-Benzyl-7-benzyloxy-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5-c]pyridine-6-carbaldehyde

N-benzyl-4-O-benzyl-6-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-L-mannono-δ-lactam

N-benzyl-4-O-benzyl-6-O-tert-butyldimethylsilyl-1,5,7-trideoxy-1,5-imino-2,3-O-isopropylidene-L-glycero-L-manno-octitol