Acetic acid (2S,3R,4S,5R)-4,5-diacetoxy-2-(2-trimethylsilanyl-ethoxy)-tetrahydro-pyran-3-yl ester

(2S,3R,4R,5R)-5-((3aS,4R,6R,7R,7aR)-7-Hydroxy-4-hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-2-(2-trimethylsilanyl-ethoxy)-tetrahydro-pyran-3,4-diol

(2S,3R,4R,5R)-5-(tert-Butyl-diphenyl-silanyloxy)-2-(2-trimethylsilanyl-ethoxy)-tetrahydro-pyran-3,4-diol