N-[(Dimethylamino)methylene]-5-iodocytidine

2'-O-[Bis[2-(acetyloxy)ethoxy]methyl]-N-[(dimethylamino)methylene]-5-iodocytidine

2-Chloro-1-(2-deoxy-β-D-erythro-pentofuranosyl)-4-methyl-1H-benzimidazole

2-Chloro-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-methyl-1H-benzimidazole

2-Chloro-1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4-methyl-1H-benzimidazole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2-chloro-4-methyl-1H-benzimidazole

1-β-D-Arabinofuranosyl-5-[2-(4-propylphenyl)ethynyl]-2,4(1H,3H)-pyrimidinedione

2',3'-Didehydro-3'-deoxy-2'-thiouridine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2-chloro-4-methyl-1H-benzimidazole

2'-Deoxy-2'-fluoro-5-methyl-4-thiouridine

2'-Deoxy-5-[(8R)-7-(aminocarbonyl)-2-(2-deoxy-β-D-erythro-pentofuranosyl)-6-methyl-3,5-dioxo-2,4-diazabicyclo[4.2.0]oct-8-yl]uridine

(1R,3R,4R,7S)-3-(2-Amino-1,6-dihydro-6-oxo-9H-purin-9-yl)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-2-oxa-5-azabicyclo[2.2.1]hept-7-yl 2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite

3-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-(2-phenylethynyl)furo[2,3-d]pyrimidin-2(3H)-one

3-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-pentylphenyl)ethynyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-propylphenyl)ethynyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-methylphenyl)ethynyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-methylphenyl)ethynyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-(2-phenylethynyl)furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-pentylphenyl)ethynyl]furo[2,3-d]pyrimidin-2(3H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[2-(4-propylphenyl)ethynyl]furo[2,3-d]pyrimidin-2(3H)-one