(2S,3S)-2-[(R)-1-(methoxymethoxy)allyl]hex-5-yn-1,3-diol

benzyl 3-deoxy-3-C-methylene-2-O-methoxymethyl-5-O-pivaloyl-α-D-lyxo-pentofuranoside

benzyl 5-O-pivaloyl-2-O-methoxymethyl-3-deoxy-3-C-(tert-butyldimethylsilyloxymethyl)-α-D-lyxo-pentofuranose

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

(2R,3R,4R)-1-pivalic acid 3-(tert-butyldimethylsilanyloxymethyl)-2-hydroxy-4-methoxymethoxyhex-5-enyl ester