(3aR,7R,7aR)-7-((S)-1,4-dioxaspiro[4.5]decan-2-yl)hexahydrospiro[[1,3]di-oxolo [4,5-c]pyridine-2,1'-cyclohexane]

(3R,4R,5R)-5-((S)-1,2-dihydroxyethyl)piperidine-3,4-diol

(2R,3R,4S)-1-azido-5-(benzyloxy)-4-((S)-1,4-dioxaspiro[4.5]decan-2-yl)pentane-2,3-diol