Uridine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-deoxyuridylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

Uridine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

9-[(3aR,4R,6S,6aR)-6-(Chloromethyl)tetrahydro-2-oxidofuro[3,4-d]-1,3,2-dioxathiol-4-yl]-N-[2-(phenylmethoxy)cyclopentyl]-9H-purin-6-amine

Methanimidamide, N′,N′′′-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-3-(2-furanyl)-1H-pyrazolo[3,4-d]pyrimidine-4,6-diyl]bis[N,N-dimethyl-

Methanimidamide, N′,N′′′-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-3-(2-furanyl)-1H-pyrazolo[3,4-d]pyrimidine-4,6-diyl]bis[N,N-dimethyl-

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-3-(2-furanyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-3-(2-furanyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

Methanimidamide, N′,N′′′-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-3-(3-methoxy-1-propynyl)-1H-pyrazolo[3,4-d]pyrimidine-4,6-diyl]bis[N,N-dimethyl-

Methanimidamide, N′,N′′′-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-3-(3-methoxy-1-propynyl)-1H-pyrazolo[3,4-d]pyrimidine-4,6-diyl]bis[N,N-dimethyl-

N-[3-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-[[(dimethylamino)methylene]amino]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]-2,2,2-trifluoroacetamide

N-[3-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-6-[[(dimethylamino)methylene]amino]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]-2,2,2-trifluoroacetamide

N-[3-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[[(dimethylamino)methylene]amino]-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-3-yl]propyl]-2,2,2-trifluoroacetamide

3-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4-[[1-(dimethylamino)ethylidene]amino]-1H-pyrazolo[3,4-d]pyrimidin-3-yl]-2-propyn-1-yl 4-methylbenzoate

3-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4-[[1-(dimethylamino)ethylidene]amino]-1H-pyrazolo[3,4-d]pyrimidin-3-yl]-2-propyn-1-yl 4-methylbenzoate

3-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-[[1-(dimethylamino)ethylidene]amino]-1H-pyrazolo[3,4-d]pyrimidin-3-yl]-2-propyn-1-yl 4-methylbenzoate