5′-Deoxy-5-fluoro-4-O-(1-methylethyl)uridine

5′-Deoxy-N,N-diethyl-5-fluorocytidine

5′-Deoxy-5-fluoro-4-O-propyluridine

5′-Deoxy-5-fluoro-N-(4-methoxyphenyl)cytidine

5′-Deoxy-5-fluoro-N-(phenylmethyl)cytidine

5′-Deoxy-5-fluoro-N-phenylcytidine

5′-Deoxy-5-fluoro-N-2-propen-1-ylcytidine

5′-Deoxy-N-(1-ethylpropyl)-5-fluorocytidine

5′-Deoxy-5-fluoro-N-(1-methylethyl)cytidine

N-Butyl-5′-deoxy-5-fluorocytidine

5′-Deoxy-5-fluoro-N-propylcytidine

5′-Deoxy-N-ethyl-5-fluorocytidine

2-Chloro-9-(2-deoxy-β-D-erythro-pentofuranosyl)-6-(phenylmethyl)-9H-purine

6-[[[6-[[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]methyl]-9,10-dihydro-9,10-dioxo-2-anthracenyl]carbonyl]amino]-2-(hydroxymethyl)hexyl hydrogen 2′-deoxy-5′-adenylate

6-[[(9,10-Dihydro-9,10-dioxo-2-anthracenyl)carbonyl]amino]-2-(hydroxymethyl)hexyl hydrogen 2′-deoxy-5′-adenylate

α-[9,10-Dihydro-6-[[[6-hydroxy-5-(hydroxymethyl)hexyl]amino]carbonyl]-9,10-dioxo-2-anthracenyl]thymidine

Thymidine, α,α,α-trifluoro-5′-O-[[(tetrahydro-2-furanyl)methoxy]methyl]-

Uridine, 2′-deoxy-5-fluoro-5′-O-[(phenylmethoxy)methyl]-

Uridine, 2′-deoxy-3′,5′-bis-O-(ethoxymethyl)-5-fluoro-

Uridine, 2′-deoxy-3′-O-(ethoxymethyl)-5-fluoro-