1-(O2-acetyl-O3,O6-dibenzoyl-β-D-ribo-5-deoxy-hexofuranosyl)-4-acetylamino-1H-pyrimidin-2-one

3,6-di-O-benzoyl-5-deoxy-1,2-O-isopropylidene-α-D-ribo-hexofuranose

1,2-di-O-acetyl-3,6-di-O-benzoyl-5-deoxy-D-ribo-hexofuranose

5-deoxy-1,2-O-isopropylidene-α-D-ribo-hexofuranose