1-((2R,3S,4aR,8aS)-3-((tert-butyldimethylsilyl)oxy)-6-methoxy-2-methyloctahydropyrano[3,2-b]pyran-2-yl)propan-2-ol

[(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-methanol