2-[(2R,3S,4aR,6S,7R,8S,9aS)-7-(tert-Butyl-dimethyl-silanyloxy)-3-(2-methoxy-ethoxymethoxy)-2,8-dimethyl-2-propyl-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-ethanol

tert-Butyl-[(2R,3S,4aR,6S,7R,8S,9aS)-6-(2-iodo-ethyl)-3-(2-methoxy-ethoxymethoxy)-2,8-dimethyl-2-propyl-octahydro-1,5-dioxa-benzocyclohepten-7-yloxy]-dimethyl-silane