1-[2-O-(tert-butyldimethylsilyl)-3-C-[(trimethylsilyl)ethynyl]-β-D-ribo-pentofuranosyl]uracil

2',5'-bis-O-tert-butyldimethylsilyl-3'-ketouridine

Uridine, 3'-deoxy-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-3'-oxo-

((3aR,5R,6R,6aR)-6-acetoxy-6-ethynyl-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methyl acetate

3-C-ethynyl-1,2-O-isopropylidene-α-D-ribo-pentodialdo-1,4-furanose