1-(3-Deoxy-3-ethenyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-3-ethenyl-5-O-(triphenylmethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-C-(Nitromethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 5-bromo-1-[2-C-(nitromethyl)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

Adenosine, 2-ethynyl-, 5'-[hydrogen P-[[[2-(1,3-dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxo-5-isobenzofuranyl)ethoxy]hydroxyphosphinyl]methyl]phosphonate]

2,4(1H,3H)-Pyrimidinedione, 1-[2-C-(nitromethyl)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

2'-Deoxy-5'-S-phenyl-5'-thioguanosine

Adenosine, 2-ethynyl-2',3'-O-(1-methylethylidene)-, 5'-[hydrogen P-[[[2-[1,3-dihydro-6-methoxy-7-methyl-3-oxo-4-(phenylmethoxy)-5-isobenzofuranyl]ethoxy]hydroxyphosphinyl]methyl]phosphonate]

1-[3,5-Bis-O-(4-methylbenzoyl)-β-D-arabinofuranosyl]-5-(1-butyn-1-yl)-2,4(1H,3H)-pyrimidinedione

1-[5-Deoxy-2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-L-ribofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[3,5-Bis-O-(phenylmethyl)-β-D-xylofuranosyl]-5,6-dichloro-1H-benzimidazole

1-(2-Deoxy-β-L-erythro-pentofuranosyl)-5-[[(2E)-4-phenyl-2-buten-1-yl]oxy]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4S,5R)-Tetrahydro-3,4-dihydroxy-5-(1-penten-3-yn-1-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(4aS,6R,7aR)-Hexahydro-1-hydroxy-2-(4-nitrophenyl)-2H-furo[3,2-d][1,3]oxazin-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

(1R,5R,7R,8S)-7-(6-Amino-9H-purin-9-yl)-8-hydroxy-6-oxa-2-azabicyclo[3.2.1]octane-5-methanol

3'-[[(2S)-2-Amino-3-carboxy-1-oxopropyl]amino]-3'-deoxy-N,N-dimethyladenosine

5-Fluoro-1-[(2R,4Z,5S)-tetrahydro-4-(hydroxyimino)-5-(hydroxymethyl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

2-Amino-1,9-dihydro-9-[(1R,5R,7R,8S)-8-hydroxy-5-(hydroxymethyl)-6-oxa-2-azabicyclo[3.2.1]oct-7-yl]-6H-purin-6-one

1-[2,5-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-C-(2-hydroxyethyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,5-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-3-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione