2',3',5'-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-C-methyl-2-thiouridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[2-[2-(diethylamino)ethoxy]ethyl]-5-methyluridine

(2'R)-2'-Deoxy-2'-(difluoromethyl)-2'-fluorouridine

(2'R)-2',3'-Dideoxy-3'-(difluoromethyl)-2'-fluoro-4'-C-fluoro-2'-methyluridine

3'-Deoxy-3'-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-[4-[(4-fluorophenyl)methoxy]phenyl]-1-oxopropyl]amino]-2',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N,N-dimethyladenosine

3'-[[(2S)-2-Amino-1-oxo-3-[4-(2-propen-1-yloxy)phenyl]propyl]amino]-3'-deoxy-N,N-dimethyladenosine

3'-[[(2S)-2-Amino-3-[4-[(4-fluorobenzoyl)oxy]phenyl]-1-oxopropyl]amino]-3'-deoxy-N,N-dimethyladenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-[(1E)-3-[[4-[6-[(1E)-2-(2-cyano-4-nitrophenyl)diazenyl]-7-methoxy-2,2,4-trimethyl-1(2H)-quinolinyl]-1-oxobutyl]amino]-1-propen-1-yl]-2'-deoxyuridine

Uridine, 5-(phenylmethyl)-, 2',3',5'-tribenzoate

Furo[3',2':4,5]imidazo[1,2-a]pyrimidin-6(4H)-one, 2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-4-phenyl-, [2R-(2α,3β,3aβ,9aβ)]-

Phenylmethyl 3-[5-O-[2-deoxy-3,4-bis-O-(phenylmethyl)-α-D-arabino-hexopyranosyl]-2,3-bis-O-[(phenylmethoxy)carbonyl]-β-D-ribofuranosyl]-3,6-dihydro-2,6-dioxo-1(2H)-pyrimidinecarboxylate

2-Amino-9-[2,5-anhydro-6-deoxy-4-C-(hydroxymethyl)-α-L-mannofuranosyl]-1,9-dihydro-6H-purin-6-one

Cytidine, N-(2-amino-3-pyridinyl)-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-methyl-

2',3'-Anhydro-5-methyluridine