2-((3aR,6R,7R,7aS)-6-methoxy-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-7-yl)ethanol

(3aR,6R,7R,7aS)-7-(2-(benzyloxy)ethyl)-6-methoxy-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran

(3R,4S,5R,6R)-5-(2-(benzyloxy)ethyl)-6-methoxytetrahydro-2H-pyran-3,4-diol

benzyl (3S,4S,5R,6R)-5-[2-(benzyloxy)ethyl]-6-(4-methoxybenzyloxy)-4-methyl-4-trimethylsilyloxy-3-vinyltetrahydro-2H-pyran-3-yl-carbamate

benzyl (2S,3S,4R)-4-(2-(benzyloxy)ethyl)-3,5-dihydroxy-2-(hydroxymethyl)-3-methyl-2-vinylpyrrolidine-1-carboxylate