1-[(Z)-(1S,2R,3R,4S,8S,9R,10S)-3,11-Bis-(tert-butyl-dimethyl-silanyloxy)-9-methoxymethoxy-2,4,6,8,10-pentamethyl-1-((S)-1-methyl-pentyl)-undec-6-enyloxymethyl]-4-methoxy-benzene