8-Tridecen-1-ol,5,11-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3-[(4-methoxyphenyl)methoxy]-2,4,6,8,10,12-hexamethyl-13-(triphenylmethoxy)-,(2S,3S,4R,5R,6S,8Z,10S,11R,12S)-