5-(Azidomethyl)-2'-deoxy-2',2'-difluorouridine

5'-[[2-[[5-(4-Cyano-1-naphthalenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-2-ethyl-8-fluoroadenosine

5'-[[2-[[5-(4-Chloro-1-naphthalenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-8-fluoroadenosine

5'-[[2-[[5-(2-Carboxy-4-pyridinyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-2-ethyl-8-fluoroadenosine

5'-[[2-[[5-(3-Amino-4-pyridinyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-8-fluoroadenosine

5'-[[2-[[5-(2-Chloro-4-pyridinyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-2-ethyl-8-fluoroadenosine

5'-Deoxy-5'-[[2-[[5-(3,4-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-2-ethyl-8-fluoroadenosine

5'-[[2-[[5-(4-Carboxyphenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-2-ethyl-8-fluoroadenosine

5'-[[2-[[5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-2-ethyl-8-fluoroadenosine

5'-[[2-[[5-(3-Chlorophenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-8-fluoroadenosine

5'-Deoxy-5'-[[2-oxo-2-[(5-phenyl-1,3,4-oxadiazol-2-yl)amino]ethyl]amino]-8-fluoroadenosine

2'-Deoxy-6-O-ethyl-1'-C-ethynyl-2'-fluoroguanosine 5'-(tetrahydrogen triphosphate)

2'-Deoxy-1'-C-ethynyl-2'-fluoroguanosine

4'-C-(Chloromethyl)-2'-C-ethynyluridine

4'-C-(Chloromethyl)-2',3'-O-cyclopentylidene-2'-C-ethynyluridine

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

2'-C-Ethynyladenosine 5'-(tetrahydrogen triphosphate)

3'-Deoxy-2'-C-ethynyl-3'-fluoro-4'-C-fluoroguanosine 5'-(tetrahydrogen triphosphate)

4'-C-(Chloromethyl)-2'-deoxy-2',2'-difluorouridine 5'-(tetrahydrogen triphosphate)

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