Ethyl 4-(acetylamino)-5,8-dihydro-2-(methylthio)-5-oxo-8-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)pyrido[2,3-d]pyrimidine-6-carboxylate

3,4,5,8-Tetrahydro-2-(methylthio)-4,5-dioxo-8-β-D-ribofuranosylpyrido[2,3-d]pyrimidine-6-carboxamide

Ethyl 3,4,5,8-tetrahydro-2-(methylthio)-4,5-dioxo-8-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)pyrido[2,3-d]pyrimidine-6-carboxylate

4-Amino-5,8-dihydro-5-oxo-8-β-D-ribofuranosylpyrido[2,3-d]pyrimidine-6-carboxamide

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with 3-(aminocarbonyl)-4,5-dihydro-4-oxo-1-β-D-ribofuranosylpyridinium, inner salt

Adenosine 5′-(trihydrogen diphosphate), P′→5′-ester with 3-(aminocarbonyl)-2,3-dihydro-2-oxo-1-β-D-ribofuranosylpyridinium, inner salt

Uridine, 2′-O-methyl-P-thiocytidylyl-(3′→5′)-2′-O-methyl-P-thioadenylyl-(3′→5′)-2′-O-methyl-

Adenosine, thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Guanosine, cytidylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-

Guanosine, cytidylyl-(2′→5′)-guanylyl-(2′→5′)-guanylyl-(2′→5′)-cytidylyl-(2′→5′)-guanylyl-(2′→5′)-cytidylyl-(2′→5′)-cytidylyl-(2′→5′)-

9H-Imidazo[1,2-a]purin-9-one, 3-(2-deoxy-β-D-erythro-pentofuranosyl)-3,4,6,7-tetrahydro-6,7-dihydroxy-, (6R,7R)-

9H-Imidazo[1,2-a]purin-9-one, 3-(2-deoxy-β-D-erythro-pentofuranosyl)-3,4,6,7-tetrahydro-6,7-dihydroxy-, (6S,7S)-

Uridine, 5,6-dihydro-5-oxo-

9-α-D-Lyxofuranosyl-9H-purin-6-amine

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

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

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

2′-Deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-