ethyl (2E,5S,7R,8S)-8-methyl-7-benzyloxy-5-[2-(benzyloxy)ethyl]-9-[(2'-benzothiazolyl)sulfonyl]-2-nonenoate

(2R,3R,5S)-1-[[t-butyldiphenylsilyl]-oxy]-2-methyl-5-[2-(benzyloxy)ethyl]-7-octene-3-ol