5-Acetyl-3,5-dihydro-6-methyl-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-imidazo[1,2-a]purin-9-one

Adenosine, 2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-3′,5′-bis-O-(trimethylsilyl)-

Adenosine, 2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′,5′-diacetate

β-Purine, 9-[3-[2-amino-3-(3-indolyl)propionamido]-3-deoxy-β-D-ribofuranosyl]-6-dimethylamino-

β-Purine, 9-(3-carboxyamino-3-deoxy-β-D-ribofuranosyl)-6-dimethyl-amino-

β-Purine, 9-[3-deoxy-3-(2,6-diaminohexanamido)-β-D-ribofuranosyl]-6-dimethylamino-

Inosine, 2′,3′-O-isopropylidene-5′-S-methyl-5′-thio-

Uridine, 2′-deoxy-, 5′-[(aminosulfonyl)carbamate], ion(1-)

Cytidine, 5′-deoxy-5-fluoro-N-[[(5-nitro-2-thienyl)methoxy]carbonyl]-

Carbamic acid, (1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)-, (4,7-dihydro-5-methoxy-1,2-dimethyl-4,7-dioxo-1H-indol-3-yl)methyl ester

Carbamic acid, (1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)-, (5-nitro-2-furanyl)methyl ester

Carbamic acid, (1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)-, 1-(4-nitrophenyl)ethyl ester

Carbamic acid, (9-β-D-arabinofuranosyl-2-fluoro-9H-purin-6-yl)-, (5-nitro-2-thienyl)methyl ester

Cytidine, 5′-deoxy-5-fluoro-N-[[(5-nitro-2-thienyl)methoxy]carbonyl]-, 2′,3′-diacetate

Carbamic acid, (9-β-D-arabinofuranosyl-9H-purin-6-yl)-, (5-nitro-2-thienyl)methyl ester

Carbamic acid, (1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)-, (1-methyl-5-nitro-1H-imidazol-2-yl)methyl ester

Cytidine, 2′-deoxy-2′,2′-difluoro-N-[[(5-nitro-2-thienyl)methoxy]carbonyl]-

Cytidine, 2′-deoxy-2′,2′-difluoro-N-[[(5-nitro-2-thienyl)methoxy]carbonyl]-, 3′,5′-bis(1,1-dimethylethyl carbonate)

Cytidine, 2′-deoxy-2′,2′-difluoro-N-[[(1-methyl-2-nitro-1H-imidazol-5-yl)methoxy]carbonyl]-

Cytidine, 2′-deoxy-2′,2′-difluoro-N-[[(1-methyl-2-nitro-1H-imidazol-5-yl)methoxy]carbonyl]-, 3′,5′-bis(1,1-dimethylethyl carbonate)