N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-chloro-2H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dibutylmethanimidamide

N′-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-6-chloro-2H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dibutylmethanimidamide

N′-[6-Chloro-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N,N-Dibutyl-N′-[6-chloro-2-(2-deoxy-β-D-erythro-pentofuranosyl)-2H-pyrazolo[3,4-d]pyrimidin-4-yl]methanimidamide

6-Chloro-2-(2-deoxy-β-D-erythro-pentofuranosyl)-2H-pyrazolo[3,4-d]pyrimidin-4-amine

6-Chloro-2-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-(1-methylethoxy)-2H-pyrazolo[3,4-d]pyrimidine

6-Chloro-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-(1-methylethoxy)-1H-pyrazolo[3,4-d]pyrimidine

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

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

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidine

2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2H-pyrazolo[3,4-d]pyrimidine

2-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-2H-pyrazolo[3,4-d]pyrimidine

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-1H-pyrazolo[3,4-d]pyrimidine

Cytidine, P-(2-chlorophenyl)-N-(4-methoxybenzoyl)-2-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)cytidylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-P-(2-chlorophenyl)-N-(4-methoxybenzoyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)cytidylyl-(3′→5′)-N-(4-methoxybenz...

2′-Deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanosine

5-Pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-1-[3,5-O-(1-methylethylidene)-β-D-xylofuranosyl]-2,4-dioxo-

5-Pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-1-[3,5-O-(1-methylethylidene)-α-D-xylofuranosyl]-2,4-dioxo-

5-Pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-3-methyl-1-[4,6-O-(1-methylethylidene)-L-sorbofuranosyl]-2,4-dioxo-