Acetamide, N-[4-[[[3-(2-deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3H-imidazo[2,1-i]purin-5-yl]thio]acetyl]phenyl]-

2-[[3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3H-imidazo[2,1-i]purin-5-yl]thio]-1-(4-fluorophenyl)ethanone

1-(4-Azido-2,3,5,6-tetrafluorophenyl)-2-[[3-(2-deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3H-imidazo[2,1-i]purin-5-yl]thio]ethanone

1-[[3-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3H-imidazo[2,1-i]purin-5-yl]thio]-3-phenyl-2-propanone

2-[[3-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3H-imidazo[2,1-i]purin-5-yl]thio]-1-[4-(trifluoromethyl)phenyl]ethanone

Acetamide, N-[4-[[[3-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3H-imidazo[2,1-i]purin-5-yl]thio]acetyl]phenyl]-

2-[[3-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3H-imidazo[2,1-i]purin-5-yl]thio]-1-(4-fluorophenyl)ethanone

1-(4-Azido-2,3,5,6-tetrafluorophenyl)-2-[[3-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3H-imidazo[2,1-i]purin-5-yl]thio]ethanone

Adenosine, 5′-O-phosphonouridylyl-(3′→5′)-guanylyl-(3′→5′)-

Adenosine, 8-[(1-methylethyl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Adenosine, 8-(2-furanylamino)-, cyclic 3′,5′-(hydrogen phosphate)

Glycine, N-[(phenylmethoxy)carbonyl]-, 3′-ester with 5′-cytidylic acid

Thymidine, cyclic 3′,5′-phosphoramidimidate

Thymidine, cyclic 3′,5′-phosphoramidate

5′-Adenylic acid, N-benzoyl-, diphenyl ester, 2′,3′-dibenzoate

Adenosine, 5′-S-(3-amino-3-carboxypropyl)-2-fluoro-5′-thio-, (S)-

Adenosine 5′-(tetrahydrogen triphosphate), N-benzoyl-2′-deoxy-

Cytidine 5′-(tetrahydrogen triphosphate), 2′-deoxy-N-(4-methoxybenzoyl)-

Guanosine, N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)-5′-O-[(triphenylmethoxy)acetyl]guanylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-

Cytidine, N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)-5′-O-[(triphenylmethoxy)acetyl]guanylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-