(3aR,4S,6R,6aR)-6-(6-Amino-9H-purin-9-yl)-4-(azidomethyl)tetrahydrofuro[3,4-b]furan-2(3H)-one

Uridine, 3′-deoxy-3′-(2-ethoxy-2-oxoethyl)-5-methyl-, 2′,5′-diacetate

Adenosine, N-benzoyl-3′-deoxy-3′-(2-ethoxy-2-oxoethyl)-, 2′,5′-diacetate

Adenosine, 3′-deoxy-3′-(2-ethoxy-2-oxoethyl)-, 2′,5′-diacetate

Uridine, 5′-azido-3′,5′-dideoxy-3′-(2-ethoxy-2-oxoethyl)-, 2′-acetate

Uridine, 5′-azido-3′,5′-dideoxy-3′-(2-ethoxy-2-oxoethyl)-5-methyl-, 2′-acetate

Adenosine, 5′-azido-N-benzoyl-3′,5′-dideoxy-3′-(2-ethoxy-2-oxoethyl)-, 2′-acetate

Adenosine, 5′-azido-3′,5′-dideoxy-3′-(2-ethoxy-2-oxoethyl)-, 2′-acetate

5′-Uridylic acid, monoanhydride with (7S)-2,6-anhydro-5-deoxy-7-C-phosphono-D-arabino-hept-5-enitol

5′-Uridylic acid, monoanhydride with (7R)-2,6-anhydro-5-deoxy-7-C-phosphono-D-arabino-hept-5-enitol

9-(5-O-Acetyl-3-deoxy-β-D-erythro-pentofuranosyl)-6-chloro-9H-purine

1-[2,3-Dideoxy-3-fluoro-5-O-(triphenylmethyl)-β-D-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

Adenosine, 2′-O-[(1R)-1-[(1R)-1-formyl-2-hydroxyethoxy]-2-oxoethyl]uridylyl-(3′→5′)-

Adenosine, 3′,4′-dideoxy-5-methyl-3′,4′-dioxo-3′,4′-seco-β-D-erythro-hexopyranouridylyl-(2′→5′)-

Adenosine, 2′,3′-dideoxy-5-methyl-2′,3′-dioxo-2′,3′-seco-β-D-erythro-hexopyranouridylyl-(4′→5′)-

Adenosine, 2′-O-β-D-ribofuranosyluridylyl-(3′→5′)-

9-(5-O-Acetyl-2,3-dideoxy-2-fluoro-β-D-threo-pentofuranosyl)-6-chloro-9H-purine

Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N,1-(3-hydroxy-1,3-propanediyl)adenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N,1-(2-hydroxy-1,2-ethanediyl)adenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Thymidine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-N,1-(3-hydroxy-1,3-propanediyl)guanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-