1,6-anhydro-2,4-didesoxy-4-C-methyl-β-D-arabinohexapyranose

(R)-2-{(2R,5S,6R)-6-[(Z)-1-(tert-Butyl-dimethyl-silanyloxy)-propenyl]-5-methyl-tetrahydro-pyran-2-yl}-propionic acid methyl ester