5'-Thymidylic acid, mono(17-hydroxy-3,6,9,12,15-pentaoxaheptadec-1-yl) ester

3'-Deoxy-3',3'-difluorouridine

5-Bromo-6-iodouridine

β-Alanine, 5'-ester with 2',3'-dideoxyuridine

β-Alanine, N-[(1,1-dimethylethoxy)carbonyl]-, 5'-ester with 2',3'-dideoxyuridine

5'-(Benzoylamino)-2',5'-dideoxyuridine

Thymidine, 5'-[(αR)-6-methoxy-α-methyl-2-naphthaleneacetate]

1-D-Ribofuranosyl-1H-indazole

1H-Imidazole-4-carboxylic acid, 5-amino-2-bromo-1-[2,3-O-(1-methylethylidene)-D-ribofuranosyl]-, ethyl ester

1H-Imidazole-4-carboxylic acid, 5-amino-2-methyl-1-[2,3-O-(1-methylethylidene)-D-ribofuranosyl]-, ethyl ester

5'-Adenylic acid, mono[33-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-29-oxo-3,6,9,12,15,18,21-heptaoxa-28-azatritriacont-1-yl] ester

1H-1,2,3-Triazole, 1-[2,3:5,6-bis-O-(1-methylethylidene)-β-D-mannofuranosyl]-4-[[[2,3:5,6-bis-O-(1-methylethylidene)-α-D-mannofuranosyl]oxy]methyl]-

3-O-[[1-[2,3:5,6-Bis-O-(1-methylethylidene)-β-D-mannofuranosyl]-1H-1,2,3-triazol-4-yl]methyl]-1,2:5,6-bis-O-(1-methylethylidene)-α-D-glucofuranose

Cytidine, 2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(8-nitro-2-naphthalenyl)methyl]-

Cytidine, 2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(8-nitro-2-quinolinyl)carbonyl]-

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

Cytidine, 2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[[8-[[(methylamino)carbonyl]amino]-2-naphthalenyl]carbonyl]-

Cytidine, N-[(8-amino-2-naphthalenyl)carbonyl]-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-benzotriazole

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-3'-[[(2S)-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1-oxo-3-[4-(trifluoromethyl)phenyl]propyl]amino]-N,N-dimethyladenosine