1-(5-Deoxy-5-fluoro-α-D-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

Cytidine, 2′,3′-O-(1-methylethylidene)-N-(phenoxyacetyl)-, 5′-[hydrogen [[[3,4-bis(octadecyloxy)butyl]hydroxyphosphinyl]methyl]phosphonate], (S)-

Cytidine, 5′-[hydrogen [[[3,4-bis(octadecyloxy)butyl]hydroxyphosphinyl]methyl]phosphonate], (S)-

Adenosine, N,N-dibenzoyl-3′-O-[(2-nitrophenyl)methyl]-, 2′-benzoate

3′-Cytidylic acid, 5′-O-(hydroxymethoxyphosphinyl)adenylyl-(3′→5′)-adenylyl-(3′→5′)-

2′-Chloro-2′-deoxyguanosine

Uridine, 5′-O-(1,4-dioxopentyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 3′-(4-nitrophenyl 4-morpholinylphosphonate)

Thymidine, 5′-(4-nitrophenyl 4-morpholinylphosphonate) 3′-(α-phenylbenzeneacetate)

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[O-(2,4-dichlorophenyl) S-propyl phosphorothioate]

β-D-ribo-Hept-5-enofuranuronic acid, 1,5,6-trideoxy-1-(3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,3-O-(1-methylethylidene)-, ethyl ester, (E)-

Uridine, 2′-deoxy-5-fluoro-3-(3-nitrobenzoyl)-, 3′,5′-diacetate

Uridine, P-deoxo-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-P(O)-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

3-[2,3-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-phosphono-β-D-ribofuranosyl]-3H-imidazo[4,5-g]quinazolin-8-amine

Guanosine, 2′-deoxy-2′-iodo-

Guanosine, 2′-deoxy-2′-iodo-N-(2-methyl-1-oxopropyl)-3′,5′-bis-O-(tetrahydro-2-furanyl)-

2′-Bromo-2′-deoxyguanosine

N-[9-[3,5-Bis-O-(tetrahydro-2-furanyl)-2-O-[(trifluoromethyl)sulfonyl]-β-D-arabinofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[O-(2,4-dichlorophenyl) S-(4-methylphenyl) phosphorothioate]

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(2,4-dichlorophenyl 4-morpholinylphosphonate)