(+)-(3R)-3-tert-butyldimethylsilyloxymethyl-6-tert-butyldimethylsilyloxy-3-fluorohex-4-en-1-ol

(-)-(3R)-3-tert-butyldimethylsilyloxymethyl-6-tert-butyldimethylsilyloxy-3-fluorohex-4-enoic acid ethylester

(+)-(4R)-6-benzyloxy-1-tert-butyldimethylsilyloxy-4-tert-butyldimethylsilyloxymethyl-4-fluorohex-2-ene

1-acetyl-4-[(tert-butyldimethylsilyloxy)methyl]-2-fluoro-2-buten-4-olide

1-[5-O-(tert-butyldimethylsilyl)-2,3-dideoxy-2-fluoro-α-D-glycero-pent-2-enofuranosyl]-N4-benzoylcytosine