5-[5-[(1R,2R,4R)-Bicyclo[2.2.1]hept-5-en-2-ylmethoxy]-1-pentyn-1-yl]-2'-deoxyuridine

3'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-fluorouridine

5-[5-[(1R,2R,4R)-Bicyclo[2.2.1]hept-5-en-2-ylmethoxy]-1-pentyn-1-yl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

2',3'-O-(1-Heptadecyloctadecylidene)-5-methyluridine

4-Nitro-1-[2,3,5-tris-O-(4-chlorobenzoyl)-β-D-ribofuranosyl]-1H-benzimidazole

4-Nitro-1-[2,3,5-tris-O-(4-chlorobenzoyl)-β-D-ribofuranosyl]-1H-benzotriazole

2'-Deoxy-3'-O-(6-deoxy-β-D-galactopyranosyl)-5-iodouridine

2'-Deoxy-3'-O-(6-deoxy-β-D-galactopyranosyl)-5-fluorouridine

2'-Deoxy-3'-O-[1-[2-[ethyl[2-[(2-quinoxalinylcarbonyl)amino]ethyl]amino]ethoxy]ethyl]-5-iodouridine

3-[[4-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-5-pyrimidinyl]methyl]-2'-deoxy-5-methylcytidine

2'-Deoxy-3'-thioguanosine 5'-(tetrahydrogen triphosphate)

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-4-S-(2-cyanoethyl)-2'-deoxy-4-thiouridine

(2'R)-2'-Deoxy-2'-fluoro-4'-C-fluoro-2'-methyluridine

5-(2-Amino-2-oxoethyl)-2'-O-methyluridine 5'-(tetrahydrogen triphosphate)

5-[(Methylamino)methyl]-2-thiouridine 5'-(tetrahydrogen triphosphate)

6-Methyl-2'-O-methyluridine 5'-(tetrahydrogen triphosphate)

(2'R)-5-Bromo-2'-deoxy-2'-fluoro-4'-C-fluoro-2'-methyluridine

5,6-Dihydro-5-methyluridine 5'-(tetrahydrogen triphosphate)

5-[[(3-Methyl-2-buten-1-yl)amino]methyl]-2-thiouridine 5'-(tetrahydrogen triphosphate)

2'-Deoxy-3'-O-[20-ethyl-24-(6-iodo-2-quinoxalinyl)-1-methyl-24-oxo-2,5,8,11,14,17-hexaoxa-20,23-diazatetracos-1-yl]-5-iodouridine