3-[2-(2,4-Difluorophenyl)ethyl]-5-iodouridine 5'-(tetrahydrogen triphosphate)

3-(2,2-Difluoro-2-phenylethyl)-5-iodouridine 5'-(tetrahydrogen triphosphate)

4-S-Hexyl-4-thiouridine 5'-(trihydrogen diphosphate)

N,N-Dimethylcytidine 5'-(trihydrogen diphosphate)

L-Alanine, N-(hydroxymercaptophosphinyl)-, 1-methylethyl ester, 3',5'-diester with (3'R)-3'-deoxy-3'-(hydroxymethyl)-3'-methylcytidine

5,6-Dichloro-1-[2-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-(hydroxyphosphinyl)-β-D-ribofuranosyl]-1H-benzimidazole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-5,6-dichloro-1H-benzimidazole

N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[(1S,3R,3aS)-3-cyclopentyltetrahydro-3-methyl-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-2'-O-methyladenosine

5,6-Dichloro-1-[5-O-(hydroxy-1H-imidazol-1-ylphosphinyl)-β-D-ribofuranosyl]-1H-benzimidazole

2-Chloro-N-cyclopentyl-N-methyladenosine

5-[(1E)-3-[(6-Amino-1-oxohexyl)amino]-1-propen-1-yl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

3'-O-[(1S)-1-[4-(3-Amino-1-propyn-1-yl)-5-methoxy-2-nitrophenyl]-2,2-dimethylpropyl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

3'-O-[1-(2-Aminoethoxy)ethyl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

4'-C-(3-Azidopropyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-methyluridine

4'-C-(3-Azidopropyl)-2'-O-methyluridine

4'-C-(3-Azidopropyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-O-methyluridine

4'-C-(Aminomethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-methyluridine

N-Acetyl-4'-C-(2-azidoethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-methylcytidine

N-Acetyl-4'-C-(2-azidoethyl)-2'-O-methylcytidine

N-Acetyl-4'-C-(2-azidoethyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-O-methylcytidine