Ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carboxylate

5-[2-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethynyl]-2-[(1E,3E,5E)-5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1,3-pentadien-1-yl]-1,3,3-trimethyl-3H-indolium

1-[2-Deoxy-5-O-(triphenylmethyl)-β-D-threo-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

(2'R)-2',3'-Dideoxy-2'-fluoro-2'-methylguanosine 5'-(tetrahydrogen triphosphate)

4'-C-(Chloromethyl)-2'-C-methyluridine 5'-(tetrahydrogen triphosphate)

2'-O-Methyl-N-(2-methylpropyl)-6-thioguanosine 5'-(tetrahydrogen triphosphate)

5-[3-[2-[(2-Aminoacetyl)amino]ethoxy]-1-propyn-1-yl]-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

5,6-Dichloro-1-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-1H-benzimidazole

4'-C-(Azidomethyl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

6-Methylpurine

Methyl 2-(4-(benzyloxy)phenyl)-4-oxobutanoate

4-(2-Methyl-3-(propan-2-yl)-3H-imidazol-4-yl)pyrimidin-2-amine

2-(Pyridin-4-yl)cyclopropane-1-carboxylic acid

[1,1'-Biphenyl]-2,5-dicarboxylic acid

2-Amino-6-chloropurine

3-Hydroxybenzoic acid