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

Guanosine, 2′-deoxy-N-(4-methoxybenzoyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]cytidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

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

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

Guanosine, 5,6-dihydrouridylyl-(3′→5′)-cytidylyl-(3′→5′)-

Cytidine, guanylyl-(3′→5′)-5,6-dihydrouridylyl-(3′→5′)-

Uridine, cytidylyl-(3′→5′)-5,6-dihydro-

Cytidine, 5,6-dihydrouridylyl-(3′→5′)-

4,11-Epoxy-1,3-dioxolo[4,5-e]pyrimido[1,2-a][1,3]diazepin-7(3H)-one, 5-benzoyl-4-(bromomethyl)-4,5,11,11a-tetrahydro-2,2-dimethyl-, [3aR-(3aα,4β,11β,11aα)]-

N-[1-[5-Deoxy-5-iodo-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]benzamide

N-[1-[5-Deoxy-2,3-O-(1-methylethylidene)-α-L-lyxofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]benzamide

4,12-Epoxy-8H-1,3-dioxolo[4,5-f]pyrimido[1,2-a][1,3]diazocin-8-one, 6-benzoyl-3a,4,5,6,12,12a-hexahydro-2,2-dimethyl-, [3aR-(3aα,4β,12β,12aα)]-

N-[1-[5-Deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1,4-dihydro-4-oxo-2-pyrimidinyl]benzamide

N-[1,4-Dihydro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-oxo-2-pyrimidinyl]benzamide

N-[1,4-Dihydro-1-[2,3-O-(1-methylethylidene)-5-O-[(4-methylphenyl)sulfonyl]-β-D-ribofuranosyl]-4-oxo-2-pyrimidinyl]benzamide

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one, 3-(acetyloxy)-2-[(acetyloxy)methyl]-7-fluoro-2,3,3a,9a-tetrahydro-, [2R-(2α,3β,3aβ,9aβ)]-

N-Pentyl-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine

9H-Purine, 9-galactofuranosyl-

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with 4-cyano-1,4-dihydro-1-β-D-ribofuranosyl-3-pyridinecarboxamide

1-(3-O-Phosphono-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide