1-pivalic acid (2S,3S)-3-hydroxy-2-[(R)-1-(methoxymethoxy)allyl]hex-5-ynyl ester

(3R,4S,5R)-3,5-bis(tert-butyldimethylsilanyloxy)-4-[2-(tert-butyldimethylsilanyloxy)ethyl]oct-1-en-7-yne

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

(4S,5R)-5-(tert-butyldimethylsilanyloxy)-4-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]oct-7-ynnitrile

(3S,4R)-4-(tert-butyldimethylsilanyloxy)-3-[(R)-1-(tert-butyldimethylsilanyloxy)allyl]hept-6-yn-1-ol