5-(3-benzoylpropionyl)-3-deoxy-3-diisopropoxyphosphinylmethyl-1,2-di-O-acetyl-D-ribofuranose

3-deoxy-3-bromomethyl-1,2-O-isopropylidene-α-D-ribofuranose

5'-(benzoylpropionyl)-3'-deoxy-3'-diisopropoxyphosphinylmethyl-2'-O-acetyl uridine

5-O-(3-benzoylpropionyl)-3-deoxy-3-bromomethyl-1,2-O-isopropylidene-α-D-ribofuranose

3-deoxy-1,2:5,6-di-O-isopropylidene-3-C-methylene-α-D-threo-D-glycero-hexofuranose