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

3,5-di-O-benzyl-1,2-O-isopropylidene-4-C-(p-toluenesulfonyloxymethyl)-3-C-vinyl-α-D-ribofuranose

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

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