Guanosine, uridylyl-(5′→3′)-N-acetyl-, acetate dibenzoate

Cytidine, 2′-O-acetyluridylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Thymidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-

Cytidine, N-benzoyl-2′-O-benzoylcytidylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Adenosine, N-benzoylcytidylyl-(5′→3′)-N-benzoyl-, tribenzoate

Guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanosine

Cytidylyl-(3′→5′)-uridylyl-(3′→5′)-cytidine

4H-Imidazo[4,5-d]pyridazin-4-one, 3,5-dihydro-3-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-

1H-Imidazole-4,5-dicarboxylic acid, 1-β-D-ribofuranosyl-, dimethyl ester

4,5-Dimethyl 1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1H-imidazole-4,5-dicarboxylate

5,6-Dihydro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1H-imidazo[4,5-d]pyridazine-4,7-dione

3,5-Dihydro-3-β-D-ribofuranosyl-4H-imidazo[4,5-d]pyridazin-4-one

4,7-Dichloro-1-β-D-ribofuranosyl-1H-imidazo[4,5-d]pyridazine

4,7-Dichloro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-imidazo[4,5-d]pyridazine

5,6-Dihydro-6-β-D-ribofuranosyl-4H-imidazo[4,5-d]pyridazin-4-one

2′-Deoxy-2-O-ethyluridine

Thymidine, N-benzoyl-2′-deoxy-5′-O-[hydroxy[2-[[4-(triphenylmethyl)phenyl]sulfonyl]ethoxy]phosphinyl]adenylyl-(3′→5′)-, 3′-acetate

Thymidine, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)c...

Cytidine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, 3′-acetate

Cytidine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-