1,2-di-O-acetyl-3-C-acetoxyethyl-3,5-di-O-benzyl-4-C-(p-toluenesulfonyloxymethyl)-D-ribofuranose

1-{(2R,3S,3aS,7aR)-7a-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3a-hydroxy-3-methoxy-hexahydro-furo[2,3-c]pyran-2-yl}-5-methyl-1H-pyrimidine-2,4-dione

1-((2R,3aR,7aR)-3a-Benzyloxy-7a-benzyloxymethyl-3-oxo-hexahydro-furo[2,3-c]pyran-2-yl)-5-methyl-1H-pyrimidine-2,4-dione

1-((2R,3S,3aS,7aR)-3a-Benzyloxy-7a-benzyloxymethyl-3-hydroxy-hexahydro-furo[2,3-c]pyran-2-yl)-5-methyl-1H-pyrimidine-2,4-dione

1-((2R,3S,3aS,7aR)-3a-Benzyloxy-7a-benzyloxymethyl-3-hydroxy-hexahydro-furo[2,3-c]pyran-2-yl)-3-benzyloxymethyl-5-methyl-1H-pyrimidine-2,4-dione