(5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]non-8-ynal

(4R,5S,6R)-5-(tert-butyldimethylsilanyloxymethyl)-6-(methoxymethoxy)-1-(trimethylsilanyl)-oct-7-en-1-yn-4-ol

(3R,4S,5R)-3,5-bis(tert-butyldimethylsilanyloxy)-4-butylnon-1-en-7-yne

(5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]non-8-ynnitrile

(5S,6R)-6-(tert-butyldimethylsilanyloxy)-5-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]oct-8-yn-1-ol