(3'R)-2',3'-Dideoxy-3'-(hydroxymethyl)-3'-methylcytidine

1-[(3S)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-α-D-glycero-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3R)-2,3-Dideoxy-3-(hydroxymethyl)-3-methyl-α-D-glycero-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[(3S)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-5-O-(phenylmethyl)-α-D-glycero-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(3R)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-5-O-(phenylmethyl)-α-D-glycero-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

(3'R)-2',3'-Dideoxy-3'-(hydroxymethyl)-3'-methylguanosine

1-[(3S)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-α-D-glycero-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

(3'S)-3'-Carboxy-2',3'-dideoxy-3',5-dimethylcytidine

(3'S)-3'-Carboxy-2',3'-dideoxy-3'-methylcytidine

1-[(3R)-2,3-Dideoxy-3-(hydroxymethyl)-3-methyl-D-glycero-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3S)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-5-O-(phenylmethyl)-α-D-glycero-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1,1'-[(10R)-5,6-Dideoxy-2,3:8,9-bis-O-(1-methylethylidene)-L-erythro-α-L-talo-dec-5-enodialdo-1,4:10,7-difuranosyl]bis[2,4(1H,3H)-pyrimidinedione]

1,1'-[(10R)-5,6-Dideoxy-L-erythro-α-L-talo-dec-5-enodialdo-1,4:10,7-difuranosyl]bis[2,4(1H,3H)-pyrimidinedione]

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-methyl-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-ethyl-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 3,3'-(2,4-hexadiyne-1,6-diyl)bis[1-[(6R,8R,9R)-4-amino-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-5-methyl-, rel-

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-ethyl-β-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-methyl-β-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-O-(2-Aminoethyl)-β-D-ribofuranosyl]-4,6-difluoro-1H-benzimidazole

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-[7-[[6-[(5-chloro-9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]hexyl]amino]-7-oxo-1-heptyn-1-yl]-2'-deoxyuridine