4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-1,7-dihydro-5-iodo-7-[5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-ribofuranosyl]-

2-Amino-3,7-dihydro-7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-5-iodo-4H-pyrrolo[2,3-d]pyrimidin-4-one

1H-Pyrrolo[2,3-d]pyrimidine-5-carbonitrile, 2-amino-7-[3-deoxy-5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-

1H-Pyrrolo[2,3-d]pyrimidine-5-carbonitrile, 2-amino-7-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-7-[2-deoxy-2-fluoro-5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-ribofuranosyl]-1,7-dihydro-

5′-Guanylic acid, 2′-deoxy-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

5′-Guanylic acid, 2′-deoxy-2′-fluoro-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

5′-Guanylic acid, 2′-O-[4-(1H-imidazol-1-yl)butyl]-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

5′-Guanylic acid, 3′-deoxy-3′-methyl-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

6H-Purin-6-one, 2-amino-1,9-dihydro-9-[5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-arabinofuranosyl]-

5′-Uridylic acid, 2′-amino-2′-deoxy-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

5′-Uridylic acid, 3′-deoxy-2′-O-(2-methoxyethyl)-3′,5-dimethyl-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

1H-Pyrrolo[2,3-d]pyrimidine-5-carbonitrile, 2-amino-7-[2-deoxy-5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-

4H-Imidazo[4,5-c]pyridin-4-one, 6-amino-1-[3-deoxy-3-fluoro-5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-ribofuranosyl]-1,5-dihydro-

4H-Imidazo[4,5-c]pyridin-4-one, 6-amino-1-[3-deoxy-5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-erythro-pentofuranosyl]-1,5-dihydro-

5′-Uridylic acid, 3′-deoxy-3′-methyl-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

Uridine 5′-(tetrahydrogen triphosphate), 3′-deoxy-3′-methyl-

5′-Adenylic acid, 3′-amino-3′-deoxy-2′-O-methyl-, bis[[[(1-methylethoxy)carbonyl]oxy]methyl] ester

Adenosine 5′-(tetrahydrogen triphosphate), 3′-amino-3′-deoxy-2′-O-methyl-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[2-O-methyl-5-O-[7-methyl-1-[[[(1-methylethoxy)carbonyl]oxy]methoxy]-1-oxido-5-oxo-2,4,6-trioxa-1-phosphaoct-1-yl]-β-D-ribofuranosyl]-