Guanosine, 5′-O-[bis(2-cyanoethoxy)phosphinyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, N-benzoyl-5′-O-[bis(2-cyanoethoxy)phosphinyl]-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, 5′-O-[bis(2-cyanoethoxy)phosphinyl]thymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Cytidine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-5′-O-phosphonocytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Guanosine, 2′-deoxy-N-(4-methoxybenzoyl)-5′-O-phosphonocytidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Adenosine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Cytidine, 2′-deoxy-N-(4-methoxybenzoyl)-5′-O-phosphonocytidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Cytidine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-5′-O-phosphonoguanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Cytidine, 5′-O-phosphonothymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Guanosine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

N-Cyclopentyl-9-[3,5-dideoxy-3-[[(1-phenylcyclohexyl)carbonyl]amino]-β-D-xylofuranosyl]-9H-purin-6-amine

N-Cyclopentyl-9-[3,5-dideoxy-3-[[(1-phenylcyclopentyl)carbonyl]amino]-β-D-xylofuranosyl]-9H-purin-6-amine

9H-Purin-6-amine, N-cyclopentyl-9-[3-[[[(1R,2S)-2-(2-thienylcarbonyl)cyclohexyl]carbonyl]amino]-3,5-dideoxy-β-D-xylofuranosyl]-

Thymidine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-

Uridine, 2′-O-(tetrahydropyran-2-yl)uridylyl-(3′→5′)-2′-O-(tetrahydropyran-2-yl)uridylyl-(3′→5′)-2′-O-(tetrahydropyran-2-yl)-, 3′-(dihydrogen phosphate), ester with hydracrylonitrile

N-Cyclopentyl-9-[3,5-dideoxy-3-[(1-oxo-4-phenoxybutyl)amino]-β-D-xylofuranosyl]-9H-purin-6-amine

3-Benzoyl-2′,3′-O-(1-methylethylidene)uridine

Xanthylium, 3,6-diamino-9-[4-[[[[4-[[[[(1S)-6-[[[2-[[3-[2-amino-4,7-dihydro-4-oxo-7-[(2R,5S)-tetrahydro-5-(3,5,7,7-tetrahydroxy-3,5,7-trioxido-2,4,6-trioxa-3,5,7-triphosphahept-1-yl)-2-furanyl]-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]oxy]ethyl]amino]carbonyl]-3′,6′-dihydroxy-3-oxospiro[isoben...

1H,5H,13H,15H-Xantheno[2,3,4-ij:5,6,7-i‘j′]diquinolizin-18-ium, 9-[4-[[[[4-[[[[(1S)-6-[[[3-[4-amino-7-[(2R,5S)-tetrahydro-5-(3,5,7,7-tetrahydroxy-3,5,7-trioxido-2,4,6-trioxa-3,5,7-triphosphahept-1-yl)-2-furanyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propynyl]amino]carbonyl]-3′,6′-dihydroxy-3-oxospiro[i...