3-[5-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-7-methyl-3H-imidazo[4,5-b]pyridine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-fluoro-N-methylcytidine

(2'R)-2',3'-Dideoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-fluoro-2'-methyladenosine

(2'R)-2-Amino-2'-deoxy-2'-fluoro-2'-(fluoromethyl)-N,N-dimethyladenosine

(2'R)-2-Amino-2'-deoxy-2'-fluoro-2'-(fluoromethyl)-N-methyladenosine

5'-O-[(2R,4S)-4-[(Cyclopentyloxy)carbonyl]-4,5-dihydro-2-oxido-1,3,2-benzothiazaphosphepin-2(3H)-yl]-2'-C-methyl-6-O-methylguanosine

3'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2'-fluoro-4'-C-fluorouridine

5-[4-(Aminooxy)-1-butyn-1-yl]-2'-deoxyuridine

β-D-Glucopyranose, 6-O-(6-deoxy-α-L-mannopyranosyl)-, 1-(4-hydroxybenzoate)

2'-Deoxy-3-(diethoxyphosphinyl)-5-iodouridine

4'-C-Fluorouridine 5'-(tetrahydrogen triphosphate)

Adenosine, 2'-deoxy-N-[(phenylamino)carbonyl]-, 3',5'-bis(hydrogen phosphonate)

Adenosine, 2'-deoxy-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(1-naphthalenylamino)carbonyl]-, 3'-(hydrogen phosphonate)

Guanosine, 2'-C-methyl-, 5'-[2-[[2,2-dimethyl-1-oxo-3-(triphenylmethoxy)propyl]thio]ethyl N-(1,1-dimethylethyl)phosphoramidate]

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-3'-[[(2R)-2-pyrrolidinylcarbonyl]amino]thymidine

α-[(1R)-1-[4-[3-[[(4',5'-Dichloro-3',6'-dihydroxy-2',7'-dimethoxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl)carbonyl]amino]-1-propyn-1-yl]-2-nitrophenyl]-2-methylpropoxy]thymidine 5'-(tetrahydrogen triphosphate)

α-[(1S)-2,2-Dimethyl-1-(2-nitrophenyl)propoxy]thymidine 5'-(tetrahydrogen triphosphate)

1-(2-Deoxy-2-methyl-5-O-phosphono-β-D-arabinofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

Adenosine 5'-(trihydrogen diphosphate), P'-β-D-galactopyranosyl ester

8-Fluoroguanosine 5'-(tetrahydrogen triphosphate)

2'-Deoxy-2'-fluorouridylyl-(3'→5')-2'-O-methyluridine