4-Chloro-7-(2-deoxy-β-D-erythro-pentofuranosyl)-5-ethyl-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-7-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-5-(1-methylethyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

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

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 5-[(acetyloxy)methyl]-2-amino-7-(2-deoxy-β-D-erythro-pentofuranosyl)-1,7-dihydro-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 5-[(acetyloxy)methyl]-2-amino-7-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-1,7-dihydro-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-7-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-1,7-dihydro-5-(hydroxymethyl)-

1H-Pyrrolo[2,3-d]pyrimidine-5-carboxylic acid, 2-amino-7-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-, methyl ester

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

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

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

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

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

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

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

Thymidine, 3′-deoxy-3′-(phosphonomethyl)-, 5′-benzoate

Thymidine, 3′-deoxy-3′-[(diethoxyphosphinothioyl)methyl]-, 5′-benzoate

1-[5-O-Benzoyl-2,3-dideoxy-3-[(diethoxyphosphinyl)methyl]-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Cytidine, 2′,5′-dideoxy-2′,2′,5-trifluoro-5′-iodo-

Adenosine, 2′,5′-dideoxy-2′,2′-difluoro-5′-iodo-

Adenosine, 5′-chloro-2′,5′-dideoxy-2′,2′-difluoro-