2-Amino-9-(5,6-dideoxy-2-O-methyl-6-phosphono-β-D-ribo-hexofuranosyl)-1,9-dihydro-6H-purin-6-one

6-Methyl-9-(2-O-methyl-β-D-ribofuranosyl)-9H-purin-2-amine

Cytidine, 3′-deoxy-3′,5-dimethyl-

4-Chloro-7-[3-deoxy-3-fluoro-2-O-(phenylmethyl)-α-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-7-[3-deoxy-3-fluoro-2-O-(phenylmethyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-7-[2-O-(phenylmethyl)-α-D-xylofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-7-[2-O-(phenylmethyl)-β-D-xylofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-5-methyl-7-(5-O-phosphono-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-5-methyl-7-(2-O-methyl-5-O-phosphono-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

2′-O-Methyl-5-(1-propyn-1-yl)cytidine 5′-(tetrahydrogen triphosphate)

5′-Guanylic acid, 3′-deoxy-, bis[2-[(trifluoroacetyl)thio]ethyl] ester

4-Chloro-5-methyl-7-α-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-2-amine

4-Chloro-5-methyl-7-(3-O-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-2-amine

7-[3-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4-methoxy-7H-pyrrolo[2,3-d]pyrimidin-2-amine

9-[3-Amino-3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-xylofuranosyl]-N,N-dimethyl-9H-purin-6-amine

4-Amino-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-2(1H)-quinazolinone

4-Amino-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-O-methyl-β-D-xylofuranosyl]-5-methyl-2(1H)-pyrimidinone

4-Amino-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-xylofuranosyl]-2(1H)-pyridinone

4-Amino-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-L-arabinofuranosyl]-2(1H)-pyrimidinone

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-7-[5-O-[bis[2-[(trifluoroacetyl)thio]ethoxy]phosphinyl]-2-O-methyl-β-D-ribofuranosyl]-1,7-dihydro-