1-(2-Deoxy-3-C-ethenyl-β-D-threo-pentofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-5-(2,2-difluoroethyl)-2,4(1H,3H)-pyrimidinedione

5-Ethoxy-1-β-L-ribofuranosyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S)-6,6-Difluoro-4-(hydroxymethyl)-3-oxabicyclo[3.1.0]hex-2-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

3'-Deoxy-3'-[[(2S)-4-(1,1-dimethylethoxy)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-1,4-dioxobutyl]amino]-N,N-dimethyladenosine

1-(3-Amino-3-deoxy-β-D-arabinofuranosyl)-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

5-Amino-1-[(2S,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

N-[7-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-5-phenyl-7-azabicyclo[4.1.0]hepta-2,4-dien-2-yl]acetamide

N-[7-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-4-phenyl-7-azabicyclo[4.1.0]hepta-2,4-dien-1-yl]acetamide

N-[7-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]-6-phenyl-7-azabicyclo[4.1.0]hepta-2,4-dien-3-yl]acetamide

5,6-Dichloro-1-(2-deoxy-β-D-erythro-pentofuranosyl)-2-methyl-1H-benzimidazole

5,6-Dichloro-1-(2-deoxy-β-D-erythro-pentofuranosyl)-2-(1-methylethyl)-1H-benzimidazole

5,6-Dibromo-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-benzimidazole

5,6-Dichloro-1-(2-deoxy-β-D-erythro-pentofuranosyl)-2-(trifluoromethyl)-1H-benzimidazole

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-5,6-difluoro-1H-benzimidazole

Uridine, 2'-deoxy-3',5'-bis-O-(1,3-dimethyl-2-sulfido-1,3,2-diazaphospholidin-2-yl)-5-fluoro-

1-(3-Azido-3-deoxy-β-D-ribofuranosyl)-1H-benzimidazole

6-[[(4-Nitrophenyl)methyl]thio]-2-β-D-ribofuranosyl-1,2,4-triazine-3,5(2H,4H)-dione

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

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