(2'R)-5'-[(2R,4S)-4-(4-Bromo-3-fluorophenyl)tetrahydro-2-oxido-2H-1,3,2-oxazaphosphorin-2-yl]-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-fluoro-2'-methyluridine

(2'R)-5'-[(2S,4S)-4-(3-Chlorophenyl)tetrahydro-2-oxido-2H-1,3,2-oxazaphosphorin-2-yl]-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-fluoro-2'-methyluridine

2',3'-Dideoxy-4-thiouridine 5'-(tetrahydrogen triphosphate)

(2'R)-2'-Deoxy-5'-O-[3,4-dihydro-3-[(1S)-1-methyl-2-(1-methylethoxy)-2-oxoethyl]-2-oxido-4-oxo-2H-1,3,2-benzoxazaphosphorin-2-yl]-2'-fluoro-2'-methyluridine

(2'S)-2'-Deoxy-3'-O-[(2,4-dichlorophenyl)methyl]-2'-fluoro-2'-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-[2-[2-(dimethylamino)ethoxy]ethyl]-3-methyluridine

2'-O-[2-[2-(Dimethylamino)ethoxy]ethyl]-3-methyluridine

2'-Deoxy-N-(2-methyl-1-oxopropyl)-5'-thioguanosine

2'-Deoxy-2',2'-difluoro-5-methyl-2-thiouridine

2'-Deoxy-2',2'-difluoro-2-thiouridine

5'-O-Methyladenosine

2'-Deoxycytidylyl-(3'→5')-3'-[[(2S)-2-amino-3-(4-methoxyphenyl)-1-oxopropyl]amino]-3'-deoxy-N,N-dimethyladenosine

2'-Deoxy-N,N-diethyl-5-methylcytidine

2',3',5'-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-C-methyl-2,4-dithiouridine

[P(S)]-2'-O-Methyl-P-thioguanylyl-(3'→5')-2'-O-methylguanylyl-(3'→5')-2'-O-methylcytidylyl-(3'→5')-2'-O-methyladenylyl-(3'→5')-2'-O-methylcytidine

D-Alanine, N-(R)-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with (2'R)-2'-deoxy-2'-fluoro-2'-methyluridine

D-Alanine, N-(R)-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with (2'R)-2'-cyano-2'-deoxy-2'-methyluridine

5-Acetyl-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

D-Alanine, N-(R)-phosphono-, 1-(1-methylethyl) ester, cyclic (P→3',5')-ester with (2'R)-2'-azido-2'-deoxy-2'-methyluridine

(2'R)-2'-Deoxy-2'-fluoro-2',3-dimethyluridine