(7S,9S,10S)-1-Benzyloxy-5-hydroxy-9-methoxy-10-methoxymethoxy-2,2-dimethyl-7-triethylsilanyloxy-dodec-11-en-3-one

[(2S,3S,4S,6R)-2-(2-Benzyloxy-1,1-dimethyl-ethyl)-2,4-dimethoxy-6-((2S,3S)-2-methoxy-3-methoxymethoxy-pent-4-enyl)-tetrahydro-pyran-3-yloxy]-triethyl-silane