Trifluoro-methanesulfonic acid (2S,3R,4S,5R,6R)-4,5-bis-benzyloxy-2-methoxy-6-trifluoromethanesulfonyloxymethyl-tetrahydro-pyran-3-yl ester

(3aR,6R,7R,7aR)-7-(tert-Butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5-c]pyridine

(R)-[2-(tert-butyl-dimethyl-silyloxy)-1-furan-2-yl-ethyl]-carbamic acid benzyl ester

(2R)-2-(tert-butyldimethylsilyloxymethyl)-6-hydroxy-3-oxo-3,6-dihydro-2H-pyridine-1-carboxylic acid benzyl ester

(8S,8aR)-8-(t-butyldimethylsilyloxy)-8,8a-dihydro-1H-oxazolo[3,4-a]pyridin-3(5H)-one