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

(2S,3R,4R)-3-(tert-butyldimethylsilanyloxymethyl)-4-methoxymethoxyhex-5-ene-1,2-diol

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

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

benzyl 5-O-pivaloyl-2-O-methoxymethyl-3-deoxy-3-C-hydroxymethyl-α-D-lyxo-pentofuranose