9-(3,5-Di-O-acetyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purin-6-amine

9-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-6-(1,1-dimethylethyl)-8-(diphenylphosphinyl)-9H-purine

3′-O-[(E)-Ethylideneamino]thymidine

3′-O-[(Z)-Ethylideneamino]thymidine

3′-Thymidylic acid, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-, 3′-(2-hydroxy-6-oxo-3-hexenyl) ester

5′-Deoxy-5′-[[[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1,5-dioxo-5-[(triphenylmethyl)amino]pentyl]amino]sulfonyl]amino]-2′,3′-O-(1-methylethylidene)adenosine

5′-Deoxy-5′-[[[[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]amino]sulfonyl]amino]adenosine

5′-Deoxy-2′,3′-O-(1-methylethylidene)-5′-[[[[[(2S)-5-oxo-2-pyrrolidinyl]carbonyl]amino]sulfonyl]amino]adenosine

2,4(1H,3H)-Pyrimidinedione, 1-(5-ethynyltetrahydro-4-hydroxy-2-furanyl)-3-(2-hydroxybutyl)-5-methyl-, [2R-(2α,4β,5α)]-[partial]-

1-[9-[2-Deoxy-5-O-(2,4-dihydroxy-2,4,6-trioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-β-D-erythro-pentofuranosyl]-2-[(2,2,2-trifluoroacetyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2-Deoxy-5-O-(dichlorophosphinyl)-β-D-erythro-pentofuranosyl]-2-[(2,2,2-trifluoroacetyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-(4,6-dihydroxy-2,4,6-trioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-(2,3-Di-O-acetyl-β-D-ribofuranosyl)-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[9-[2,3-Di-O-acetyl-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-ribofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-9H-purin-6-yl]-4-(dimethylamino)pyridinium

1-[2-Chloro-9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-4-(dimethylamino)pyridinium