1-{(3R,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-4-[3-(tert-butyl-dimethyl-silanyloxy)-propoxy]-piperidin-1-yl}-2-[(1R,3aS,7aR)-1-((R)-5-methoxymethoxy-1,5-dimethyl-hexyl)-7a-methyl-octahydro-inden-(4E)-ylidene]-ethanone

(3R,5R)-1-benzyloxycarbonyl-3,5-bis(tert-butyldimethylsiloxy)-4-(1-imidazolylcarbothioyloxy)-piperidine

1,5-anhydro-5-[(tert-butoxycarbonyl)amino]-1,5-dideoxy-2,3-O-isopropylidene-D-lyxitol

(3aR,7R,7aS)-7-Hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyridine-5-carboxylic acid tert-butyl ester

(3aR,7aS)-2,2-Dimethyl-7-methylene-tetrahydro-[1,3]dioxolo[4,5-c]pyridine-5-carboxylic acid tert-butyl ester