1H-Benz[e]indolium, 2-[5-[3-[6-[[2-[[3-[[3-[4-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]amino]-3-oxopropyl]dithio]ethyl]amino]-6-oxohexyl]-1,3-dihydro-1,1-dimethyl-6,8-disulfo-2H-benz[e]in..

5-[2,3-Bis(acetyloxy)propyl]-7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-3,7-dihydro-2-[(2-methylpropyl)amino]-4H-pyrrolo[2,3-d]pyrimidin-4-one

5-[2,3-Bis(acetyloxy)propyl]-7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-3,7-dihydro-2-[(2-methylpropyl)amino]-4H-pyrrolo[2,3-d]pyrimidin-4-one

5-[2,3-Bis(acetyloxy)propyl]-7-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,7-dihydro-2-[(2-methylpropyl)amino]-4H-pyrrolo[2,3-d]pyrimidin-4-one

7-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,7-dihydro-2-[(2-methylpropyl)amino]-5-(2-propen-1-yl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

4-Chloro-7-[2-deoxy-3,5-bis-O-(4-methylphenyl)-β-D-erythro-pentofuranosyl]-N-(2-methylpropyl)-5-(2-propen-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-7-[2-deoxy-3,5-bis-O-(4-methylphenyl)-β-D-erythro-pentofuranosyl]-5-iodo-N-(2-methylpropyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

Adenosine, 3-[[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-nitro-1H-benzimidazol-5-yl]methyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-2-propenylthymidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(2-propenyloxy)carbonyl]-

7-[2-Deoxy-3,5-bis-O-(4-methylphenyl)-β-D-erythro-pentofuranosyl]-3,7-dihydro-2-[(2-methylpropyl)amino]-5-(2-propen-1-yl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-2-propenylthymidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(2-propenyloxy)carbonyl]-