Cytidine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

9-(2-Azido-2,3-dideoxy-β-D-threo-pentofuranosyl)-N-cyclohexyl-9H-purin-6-amine

9-(2-Azido-2,3-dideoxy-β-D-threo-pentofuranosyl)-N-cyclopentyl-9H-purin-6-amine

9-(2-Azido-2,3-dideoxy-β-D-threo-pentofuranosyl)-N-cyclopropyl-9H-purin-6-amine

9-(2-Azido-2,3-dideoxy-β-D-threo-pentofuranosyl)-N,N-dimethyl-9H-purin-6-amine

9-(2-Azido-2,3-dideoxy-β-D-threo-pentofuranosyl)-N-methyl-9H-purin-6-amine

Hexanamide, N-[3-[6-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3,4,6,7-tetrahydro-7-oxo-1H-pyrimido[4,5-c][1,2]oxazin-3-yl]propyl]-6-[(trifluoroacetyl)amino]-

Hexanamide, N-[3-[6-(2-deoxy-β-D-erythro-pentofuranosyl)-3,4,6,7-tetrahydro-7-oxo-1H-pyrimido[4,5-c][1,2]oxazin-3-yl]propyl]-6-[(trifluoroacetyl)amino]-

6-(4-Butoxyphenyl)-3-(2-deoxy-β-D-erythro-pentofuranosyl)furo[2,3-d]pyrimidin-2(3H)-one

5-(Trifluoromethyl)-1-β-L-xylofuranosyl-2,4(1H,3H)-pyrimidinedione

rel-Methyl (1R,2S,4aS,5S,10bS)-9-[4-(1,1-dimethylethyl)phenoxy]-5-hexyl-1,5,6,10b-tetrahydro-2-(4-morpholinyl)-3-phenyl-2H-2,4a-epoxybenzo[f][1,7]naphthyridine-1-carboxylate

rel-Methyl (1R,2S,4aS,5S,10bS)-9-chloro-1,5,6,10b-tetrahydro-2-(4-morpholinyl)-3,5-bis(phenylmethyl)-2H-2,4a-epoxybenzo[f][1,7]naphthyridine-1-carboxylate

rel-Methyl (1R,2S,4aS,5S,11bS)-1,5,6,11b-tetrahydro-3-[(4-methoxyphenyl)methyl]-2-(4-morpholinyl)-5-(2-phenylethyl)-6-(phenylmethyl)-2H-2,4a-epoxy[1,3]benzodioxolo[5,6-f][1,7]naphthyridine-1-carboxylate

2H-2,4a-Epoxy[1,3]benzodioxolo[5,6-f][1,7]naphthyridine-1-carboxylic acid, 1,5,6,11b-tetrahydro-3-[(4-methoxyphenyl)methyl]-5-methyl-2-(4-morpholinyl)-, methyl ester, (1R,2S,4aS,5S,11bS)-rel-

rel-Ethyl (1R,2S,4aS,5S,11bS)-1,5,6,11b-tetrahydro-2-(4-morpholinyl)-5-(2-phenylethyl)-3-(phenylmethyl)-2H-2,4a-epoxy[1,3]benzodioxolo[5,6-f][1,7]naphthyridine-1-carboxylate

rel-Methyl (1R,2S,4aS,5S,10bS)-5-hexyl-1,5,6,10b-tetrahydro-3-[(4-methoxyphenyl)methyl]-6-methyl-2-(4-morpholinyl)-2H-2,4a-epoxybenzo[f][1,7]naphthyridine-1-carboxylate

rel-Methyl (1R,2S,4aS,5S,10bS)-5-cyclooctyl-1,5,6,10b-tetrahydro-3-[(4-methoxyphenyl)methyl]-2-(4-morpholinyl)-2H-2,4a-epoxybenzo[f][1,7]naphthyridine-1-carboxylate

2H-2,4a-Epoxybenzo[f][1,7]naphthyridine-1-carboxylic acid, 5-hexyl-1,5,6,10b-tetrahydro-3-[(4-methoxyphenyl)methyl]-2-(1-piperidinyl)-, methyl ester, (1R,2S,4aS,5S,10bS)-rel-

rel-Methyl (1R,2S,4aS,5S,10bS)-5-hexyl-1,5,6,10b-tetrahydro-3-[(4-methoxyphenyl)methyl]-2-(4-morpholinyl)-2H-2,4a-epoxybenzo[f][1,7]naphthyridine-1-carboxylate