5-[2-[4-[15-[3,5-Bis(1,1-dimethylethyl)phenyl]-2,8,12,18-tetraethyl-3,7,13,17-tetramethyl-21H,23H-porphin-5-yl]phenyl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-(4-[2,2'-Bipyridin]-5-ylphenyl)-2'-deoxyuridine

5-(4-[2,2'-Bipyridin]-6-ylphenyl)-2'-deoxyuridine

5-(2-[2,2'-Bipyridin]-5-ylethynyl)-2'-deoxyuridine

5-[6-[(3R,4S)-3,4-Bis(acetyloxy)-1-pyrrolidinyl]-6-oxo-1-hexyn-1-yl]-2'-deoxyuridine

5-[8,9-Bis(acetyloxy)-1-nonyn-1-yl]-2'-deoxyuridine

5-[3-[(Aminoiminomethyl)amino]-1-propen-1-yl]-2'-deoxyuridine

6-Methoxy-1-α-D-ribofuranosyl-1H-benzimidazole

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-benzimidazole

5'-O-[(1,1-Dimethylethyl)dimethylsilyl]-2',3'-O-(1-methylethylidene)-6-thioguanosine

5-(2-[2,2'-Bipyridin]-6-ylethynyl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

5-(2-[2,2'-Bipyridin]-5-ylethynyl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

5-Methyl-2'-O-methylcytidine

5-(4-[2,2'-Bipyridin]-5-ylphenyl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

5-(4-[2,2'-Bipyridin]-6-ylphenyl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

Cedazuridine

2-Chloro-N-cyclopentyl-5'-S-(2-fluorophenyl)-2'-C-methyl-2',3'-O-(1-methylethylidene)-5'-thioadenosine

N-Cyclopentyl-5'-S-(2-fluorophenyl)-2'-C-methyl-2',3'-O-(1-methylethylidene)-5'-thioadenosine

2-Chloro-N-cyclopentyl-5'-S-(2-fluorophenyl)-2'-C-methyl-5'-thioadenosine

N-Cyclopentyl-5'-S-(2-fluorophenyl)-2'-C-methyl-5'-thioadenosine