[bis-(2,2,2-trifluoro-ethoxy)-phosphoryl]-acetic acid 7-{3-[6-(2-hydroxy-ethyl)-3,6-dihydro-2H-pyran-2-yl]-2-methyl-propyl}-1-[1-(4-methoxy-benzyloxy)-3-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-5-methoxymethoxy-octa-3,7-dienyl ester