N-[(1,1-Dimethylethoxy)carbonyl]-β-alanine 3-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl ester

N-[(1,1-Dimethylethoxy)carbonyl]-β-alanine 3-[1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl ester

Thymidine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-5′-O-phosphonoguanylyl-(3′→5′)-, 3′-acetate

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

Uridine, N-[(dimethylamino)methylene]-2′-O-(1-ethoxyethyl)cytidylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Guanosine, 2′,5′-bis-O-(1-ethoxyethyl)uridylyl-(3′→5′)-2′-deoxy-

Uridine, N-acetyl-2′,5′-di-O-acetylguanylyl-(3′→5′)-

2-Chloro-2′,3′-O-(methoxymethylene)adenosine

2′,3′-O-(Methoxymethylene)-2-(methylthio)adenosine

1-[2-Deoxy-2-fluoro-5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5,6-dihydro-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

1,2,4-Triazine-3,5(2H,4H)-dione, 2-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-, 5′→P:5′′′-P′-(dihydrogen diphosphate)

6-Azacytidine, 2′-O-(1-ethoxyethyl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Uridine, 2′-O-(1-ethoxyethyl)cytidylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Guanosine, 5′-O-phosphonoinosinylyl-(3′→5′)-

3′-Guanylic acid, 7-deazaadenylyl-(3′→5′)-

3′-Guanylic acid, 8,9-didehydro-7,8-dihydro-8-aza-9-deazaadenylyl-(3′→5′)-

Uridine, 2′,5′-di-O-acetyluridylyl-(3′→5′)-2′,3′-O-(1-methylethylidene)-

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

Thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidine