6-[6-(tert-butyl-dimethyl-silanyloxy)-4-hydroxy-1,5-dimethyl-trideca-7,9,11-trienyl]-5-methyl-5,6-dihydro-2H-pyran-2-ol

(2S,5S,6R,7S,8Z,10Z,12E)-7-(tert-butyldimethylsilyloxy)-5-(1-ethoxyethyloxy)-2-[(2S,3S,6R)-6-methoxy-3-methyl-3,6-dihydro-2H-pyran-2-yl]-6-methyltetradeca-8,10,12-triene