8-[2-((E)-(3S,4R)-4-Acetoxy-3-triisopropylsilanyloxy-non-1-enyl)-[1,3]dithian-2-yl]-octanoic acid tert-butyl ester

(E)-(9S,12S,13S)-12,13-Bis-(tert-butyl-dimethyl-silanyloxy)-9-hydroxy-octadec-10-enoic acid tert-butyl ester