N′-[7-[5-O[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-(1-hexyn-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-Dimethyl-methanimidamide

8-Aza-β-D-xyloguanosine,2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-Pthio-7-deaza-β-D-arabinoadenylyl-(3′→5′)-3′-deoxy-3′-fluoro-,cyclicnucleotide

Guanosine,2′-deoxy-7-fluoro-5′-O-(hydroxymercaptophosphinyl)-Pthio-7-deazaadenylyl-(3′→5′)-3′-deoxy-3′-fluoro-,cyclicnucleotide

3-[4-Amino-7-[2-deoxy-5-O-(hydroxy-1Himidazol-1-ylphosphinyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-N-[2-(9Hpurin-6-ylamino)Ethyl-]-2-propenamide

7-[5-Deoxy-2,3-O-(1-methylEthylidene)-5-[methyl-[(2-nitrophenyl)sulfonyl]amino]-β-Dribofuranosyl]-N-[(2,4-dimethoxyphenyl)methyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

8-Azaguanosine,2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-7-deaza-β-Darabino-adenylyl-(3′→5′)-3′-deoxy-,cyclicnucleotide

2-[5-O[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2,6-dihydro-2,3,5,6-tetraazaaceanthrylene

8-Azaguanosine,2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-Pthio-7-deaza-β-D-arabinoadenylyl-(3′→5′)-3′-deoxy-,cyclicnucleotide

N-[3-[7-[2-Deoxy-5-O[(1,1-dimethylEthyl)dimethylsilyl]-3-O[(methyl-thio)methyl]-β-Derythro-pentofuranosyl]-4-[[(dimethyl-amino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

7-Deazaadenosine,5′-O[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]adenylyl-(2′→5′)-adenylyl-(2′→5′)-

8-Azaguanosine,2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-P-thio-7-deaza-β-D-arabino-adenylyl-(3′→5′)-3′-deoxy-3′-fluoro-4′-thio-,cyclicnucleotide

N-[3-[7-[3-O-(Chloromethyl)-2-deoxy-5-O[(1,1-dimethylEthyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-[[(dimethyl-amino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

5,8-Dihydro-N,N,5-trimethyl-8-(2,3,5-tri-Obenzoyl-β-D-ribofuranosyl)pyrrolo[2′,3′:4,5]pyrrolo[2,3-d]pyrimidin-4-amine

Guanosine,2′-deoxy-2′-fluoro-5′-O-(hydroxymercaptophosphinyl)-Pthio-7-deaza-β-D-arabinoadenylyl-(3′→5′)-3′-deoxy-4′-thio-,cyclicnucleotide

N-[3-[7-[2-Deoxy-3-O-[[[(2,4,6-trimethoxyphenyl)methyl]thio]methyl]-β-D-erythro-pentofuranosyl]-4-[[(dimethyl-amino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

N′-[7-[5-O[Bis(4-methoxyphenyl)phenylmethyl]-3-O[[bis(1-methylEthyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-Derythro-pentofuranosyl]-5-(1-hexyn-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-Dimethyl-methanimidamide

N-[3-[7-[2-Deoxy-5-O[(1,1-dimethylEthyl)dimethylsilyl]-3-O[[[(2,4,6-trimethoxyphenyl)methyl]thio]methyl]-β-D-erythro-pentofuranosyl]-4-[[(dimethyl-amino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-tri

N ′-[7-[5-O -[Bis(4-methoxyphenyl)phenylmethyl]-3-O -[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-Derythro-pentofuranosyl]-5-iodo-7H -pyrrolo[2,3-d ]pyrimidin-4-yl]-N ,N -dimethylmethanimidamide

7-(2-Deoxy-β-L-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-(2-Deoxy-α-D-erythro-pentofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine