6-[(Phenylmethyl)sulfonyl]-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine

6-(1H-Imidazol-1-yl)-9-β-D-ribofuranosyl-9H-purine

1-(2,3-Anhydro-β-D-lyxofuranosyl)-5-methyl-3-(2-propen-1-yl)-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-benzoyl-2-bromo-2-deoxy-β-D-xylofuranosyl)-5-methyl-3-(2-propen-1-yl)-2,4(1H,3H)-pyrimidinedione

1-(2-Azido-3,5-di-O-benzoyl-2-deoxy-β-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3,5-Bis-O-(phenylmethyl)-β-D-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Azido-2-deoxy-3,5-bis-O-(phenylmethyl)-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Azido-2-deoxy-3,5-bis-O-(phenylmethyl)-β-D-xylofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[2-Azido-2-deoxy-3,5-bis-O-(phenylmethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one, 3-(benzoyloxy)-2-[(benzoyloxy)methyl]-7-fluoro-2,3,3a,9a-tetrahydro-, (2R,3S,3aS,9aR)-

1-[2-Deoxy-2-iodo-3,5-bis-O-(phenylmethyl)-β-D-xylofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-2-iodo-3,5-bis-O-(phenylmethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

(2R,3S,3aS,9aR)-7-Fluoro-2,3,3a,9a-tetrahydro-3-(phenylmethoxy)-2-[(phenylmethoxy)methyl]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

(2R,3S,3aS,9aR)-2,3,3a,9a-Tetrahydro-3-(phenylmethoxy)-2-[(phenylmethoxy)methyl]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

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

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

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4-(trifluoromethoxy)-2(1H)-pyrimidinone

5′-Uridylic acid, 3′-ester with N-carboxy-L-alanine N-tert-butyl ester

5′-Guanylic acid, 3′-ester with N-carboxy-L-alanine N-tert-butyl ester

2(1H)-Pyrimidinone, 4-amino-1-β-D-arabinofuranosyl-, 3-oxide