(R)-3-[(2R,4aR,6R,7S,8aR,9aS,10aS)-6-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-phenyl-octahydro-1,3,8,10-tetraoxa-anthracen-7-yl]-2-methyl-propan-1-ol

(2S,3R,4aS,6R,7S,8aR)-7-Allyloxy-3-(tert-butyl-dimethyl-silanyloxy)-2-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-propyl]-6-isopropenyl-4a-methyl-octahydro-pyrano[3,2-b]pyran

[(2R,3S,4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-6-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-2-methyl-propyl]-3-(4-methoxy-benzyloxy)-8a-methyl-octahydro-pyrano[3,2-b]pyran-2-yl]-methanol