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

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

3-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

3-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-8-(diethylamino)-1H-pyrimido[5,4-b][1,4]benzothiazin-2(3H)-one

Guanosine 5′-(tetrahydrogen triphosphate), 7-[2-(4-chlorophenoxy)ethyl]-2′-C-methyl-, inner salt

Guanosine 5′-(tetrahydrogen triphosphate), 7-[2-(4-chlorophenoxy)ethyl]-2′-C-methyl-, inner salt, P′′→5′-ester with guanosine

Guanosine 5'-(tetrahydrogen triphosphate), 2'-C-methyl-, P''→5'-ester with 7-methylguanosine

6-Chloro-9-(5-deoxy-5-fluoro-β-D-ribofuranosyl)-9H-purin-2-amine

6-Chloro-9-(5-chloro-5-deoxy-β-D-ribofuranosyl)-9H-purin-2-amine

9-(5-Deoxy-5-fluoro-β-D-ribofuranosyl)-9H-purin-2-amine

9-(5-Chloro-5-deoxy-β-D-ribofuranosyl)-9H-purin-2-amine

2′-Amino-2′-deoxy-N-[(3-methoxy-1-naphthalenyl)methyl]adenosine

2′-Amino-2′-deoxy-N-(2-naphthalenylmethyl)adenosine

2′-Amino-2′-deoxy-N-(phenylmethyl)adenosine

2′-Amino-2′-deoxy-N-[(3-methylphenyl)methyl]adenosine

2′-Amino-2′-deoxy-N-[(1R)-1-(1-naphthalenyl)ethyl]adenosine