Uridine, 2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

Thymidine, 5′-amino-5′-deoxythymidylyl-(3′→5′)-

Thymidine, 3′-O-benzoyl-P-(2-chlorophenyl)thymidylyl-(5′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Thymidine, P-(2-chlorophenyl)-5′-deoxy-5′-[(diphenoxyphosphinyl)amino]thymidylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Thymidine, P-(2-chlorophenyl)-2′-deoxy-5′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Uridine, 5′-azido-5′-deoxy-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Uridine, P-(2-chlorophenyl)-2′,3′-O-(methoxymethylene)uridylyl-(5′→5′)-2′,3′-O-(methoxymethylene)-

Uridine, 5′-O-[(4-chlorophenoxy)acetyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)uridylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

Uridine, 3-methyl-, 4-oxime

Guanosine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-, 3′-[hydrogen [2-[(4-azidobenzoyl)amino]ethyl]phosphoramidate]

Thymidine, (R)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, (S)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Adenosine, (R)-P-deoxy-P-methylthymidylyl-(3′→5′)-2′-deoxy-

9-[5-O-[Hydroxy(phosphonooxy)phosphinyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

9H-Purin-6-amine, 9-[6-[(chloroacetyl)amino]-6-deoxy-5-O-phosphono-β-D-allofuranosyl]-

9-[6-Deoxy-6-[(4-fluorobenzoyl)amino]-5-O-phosphono-β-D-allofuranosyl]-9H-purin-6-amine

9-[6-Deoxy-6-[(4-methylbenzoyl)amino]-5-O-phosphono-β-D-allofuranosyl]-9H-purin-6-amine

9-[6-Deoxy-6-[(3-methylbenzoyl)amino]-5-O-phosphono-β-D-allofuranosyl]-9H-purin-6-amine

9-[6-Deoxy-6-[(2-methylbenzoyl)amino]-5-O-phosphono-β-D-allofuranosyl]-9H-purin-6-amine

Cytidine, 5′-O-(2-oxo-1,3-dioxolan-4-yl)-2-seleno-