(4-hydroxy-6-{3-[6-(2-hydroxy-6-methylhept-3-enyl)-3-methyltetrahydropyran-2-yl]-2-methoxypropyl}tetrahydropyran-2-yl)acetic acid methyl ester

1-((2S,5S,6R)-6-(2-((tert-butyldimethylsilyl)oxy)ethyl)-5-methyltetrahydro-2H-pyran-2-yl)-6-methylhept-3-yn-2-one