1-((1S,3R,4R,7S)-7-(benzyloxy)-1-(hydroxymethyl)-2,5-dioxabicyclo[2.2.1]heptan-3-yl)pyrimidine-2,4(1H,3H)-dione

1-((1R,3R,4R,7S)-1-(((tert-butyldiphenylsilyl)oxy)methyl)-7-hydroxy-2,5-dioxabicyclo[2.2.1]heptan-3-yl)pyrimidine-2,4(1H,3H)-dione

(1S,3R,4R,7S)-7-benzyloxy-1-benzyloxymethyl-3-(uracil-1-yl)-2,5-dioxabicyclo[2.2.1]heptane

Benzoic acid (1R,3R,4R,7S)-3-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-7-hydroxy-2,5-dioxa-bicyclo[2.2.1]hept-1-ylmethyl ester

4'-(p-toluenesulfonyl)oxymethyluridine