7-Oxa-1-thia-4-azaspiro[4.4]nonane-3-carboxamide, 8-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-, 1-oxide, (1R,3R,5R,6R,8R,9S)-

(3R,5S,6R,8R,9S)-8-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-7-oxa-1-thia-4-azaspiro[4.4]nonane-3-carboxamide

(3R,5R,6R,8R,9S)-8-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-7-oxa-1-thia-4-azaspiro[4.4]nonane-3-carboxamide

(3R,5S,6R,8R,9S)-8-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-7-oxa-1-thia-4-azaspiro[4.4]nonane-3-carboxylic acid

(3R,5R,6R,8R,9S)-8-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-7-oxa-1-thia-4-azaspiro[4.4]nonane-3-carboxylic acid

Uridine, 2-thio-, 5′-[hydrogen P-(2-amino-1H-imidazol-1-yl)phosphonate]

Guanosine, 5′-[hydrogen P-(2-amino-1H-imidazol-1-yl)phosphonate]

Guanosine, 5′-[hydrogen P-(2-methyl-1H-pyrrol-3-yl)phosphonate]

Guanosine, 5′-[hydrogen P-[2-(1-methylethyl)-1H-imidazol-1-yl]phosphonate]

Adenosine, 5′-[hydrogen P-(2-amino-1H-imidazol-1-yl)phosphonate]

7-[5-O-(3-Ethyl-7-quinolinyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-[5,6-Dideoxy-6-[2-(methylamino)-7-quinolinyl]-β-D-ribo-hexofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

4-Chloro-7-[5-deoxy-2,3-O-(1-methylethylidene)-5-oxo-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine