ethyl (2S,3R)-3,5-[(R)-benzylidenedioxy]-2-methyl-2-methylthiopentanoate

(3R,4R)-3-benzyloxy-1-(tert-butyldimethylsiloxy)-5-iodo-4-methylpentanol

(3R,4S,7S,8R)-3-benzyloxy-1-(t-butyldimethylsiloxy)-7,9-[(R)-p-methoxybenzylidenedioxy]-4,8-dimethyl-cis-5-nonene

(3R,4S,7S,8R)-3-benzyloxy-9-(tert-butyldiphenylsiloxy)-4,8-dimethylnonan-7-olide