(E)-(4S,5S,6S)-1-Benzyloxymethoxy-8-[1,3]dithian-2-ylidene-4,6-dimethyl-non-2-en-5-ol

(8S,9S,11R)-8-((E)-(S)-4-Benzyloxymethoxy-1-methyl-but-2-enyl)-9,11-dimethyl-7-oxa-1,5-dithia-spiro[5.5]undecane