Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-P-selenocytidylyl-(3′→5′)-2′-deoxy-

4-Pyrimidinaminium, N,N,N-tributyl-1,2-dihydro-2-oxo-1-[(3aR,4R,6R,6aR)-tetrahydro-2-hydroxy-6-(hydroxymethyl)-2-oxidofuro[3,4-d]-1,3,2-dioxaphosphol-4-yl]-, inner salt

Pyrimido[1,2-a]purin-10(3H)-one, 4,6,7,8-tetrahydro-8-hydroxy-6-methyl-3-(3,5-O-phosphinico-β-D-ribofuranosyl)-

4,6,7,8-Tetrahydro-8-hydroxy-6-methyl-3-(5-O-phosphono-β-D-ribofuranosyl)pyrimido[1,2-a]purin-10(3H)-one

3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-4,6,7,8-tetrahydro-8-hydroxy-6-methylpyrimido[1,2-a]purin-10(3H)-one

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)thymidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-cyanoethyl [1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]phosphoramidate]

Cytidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-deoxy-, 3′-[methyl bis(1-methylethyl)phosphoramidite]

rel-Ethyl (3R,4S,4aR,7R,7aR)-6-[2-(3,4-dimethoxyphenyl)ethyl]-3,4,4a,5,6,7-hexahydro-3-(4-morpholinyl)-2-(phenylmethyl)-7-[(phenylthio)methyl]-3,7a-epoxy-7aH-pyrrolo[3,4-b]pyridine-4-carboxylate

Spirosolane-3,15-diol, 28-nitroso-, (3β,5α,15α,22β,25S)-

Spirosolane-3,15-diol, 28-nitroso-, (3β,5α,15α,22α,25R)-

Spirosolane-3,15-diol, 28-acetyl-, diacetate (ester), (3β,5α,15α,22α,25R)-

1-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-bis-O-[(methylthio)thioxomethyl]-β-D-ribofuranosyl]-3-methyl-1,3,5-triazine-2,4(1H,3H)-dione

1-[2,3-Bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-amine

1-[5-O-[Ethoxy[(ethoxyhydroxyphosphinyl)methyl]phosphinyl]-2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-amine

1-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-amine

Adenosine, 2′,3′-dibutanoate 5′-(4-methylbenzenesulfonate)

Thymidine, P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-, 5′-[O-(21-mercapto-3,6,9,12,15,18-hexaoxaheneicos-1-yl) hydrogen phosphorothioate]

Thymidine, P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-, 5′-[O-(26-hydroxy-3,6,9,12,15,18-hexaoxa-22,23-dithiahexacos-1-yl) hydrogen phosphorothioate]

Thymidine, 1′-de(6-amino-9H-purin-9-yl)-2′-deoxy-P-thioadenylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-1′-de(6-amino-9H-purin-9-yl)-2′-deoxy-P-thioadenylyl-(3′→5′)-1′-de(6-amino-9H-purin-9-yl)-2′-deoxy-P-thioadenylyl-(3′→5′)-