(3R,4R,5R)-3-benzoyloxy-4-[2-(tert-butyldimethylsilyloxy)ethoxy]-5,6-epoxyhex-1-ene

(3R,4S,5R)-4-[4-(tert-butyldimethylsilyloxy)butoxy]oct-1-en-7-yne-3,5-diol

(3R,4R,5R)-3-benzoyloxy-4-[4-(tert-butyldimethylsilyloxy)butoxy]-5,6-epoxyhex-1-ene

(2R,3S,4R)-4-benzoyloxy-3-[4-(tert-butyldimethylsilyloxy)butoxy]hex-5-ene-1,2-diol

methyl 2,3-dideoxy-4,6-O-(phenylmethylene)-3-C-phenylsulfonyl-α-D-erythro-hex-2-enopyranoside