Adenosine, N-(2-aminophenyl)-2'-deoxy-2-[(2-methyl-1-oxopropyl)amino]-, 3',5'-bis(2-methylpropanoate)

10-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-(hydroxyphosphinyl)-β-D-erythro-pentofuranosyl]-8-methylpyrimido[1,6-a]perimidin-11(10H)-one

2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-(hydroxyphosphinyl)-β-D-erythro-pentofuranosyl]-4-methylnaphth[2',3':4,5]imidazo[1,2-c]pyrimidin-1(2H)-one

10-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-8-methylpyrimido[1,6-a]perimidin-11(10H)-one

Cytidine, N-(3-amino-2-naphthalenyl)-2'-deoxy-5-methyl-, 3',5'-diacetate

Naphth[2',3':4,5]imidazo[1,2-c]pyrimidin-1(2H)-one, 2-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-4-methyl-8-nitro-

Cytidine, 2'-deoxy-2',2'-difluoro-N-(1-oxo-2-propylpentyl)-, 3',5'-bis(1,1-dimethylethyl carbonate)

5'-[[(3S)-4-[4-(Acetylamino)phenoxy]-3-amino-4-oxobutyl]methylsulfonio]-5'-deoxyadenosine

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-α-D-erythro-pentofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-(2,3,5-Tri-O-benzoyl-β-D-ribofuranosyl)-1H-imidazole-5-acetonitrile

9H-Purine, 6-chloro-9-(5-deoxy-5-phthalimido-β-D-ribofuranosyl)-, dibenzoate

3'-Adenylic acid, 2'-deoxycytidylyl-(3'→5')-2'-deoxyguanylyl-(3'→5')-thymidylyl-(3'→5')-2'-deoxycytidylyl-(3'→5')-2'-deoxyguanylyl-(3'→5')-2'-deoxy-

Adenosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2,3-dihydro-N-(2-methyl-1-oxopropyl)-2-oxo-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

3'-O-[3-[[(3S,5R)-3-(Benzoyloxy)-5-[3,4-dihydro-5-methyl-2,4-dioxo-3-[(phenylmethoxy)methyl]-1(2H)-pyrimidinyl]tetrahydro-2-furanyl]thio]propyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]thymidine

3'-Deoxy-3'-[3-[[(3S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-3-hydroxy-2-furanyl]amino]propyl]thymidine

3'-Deoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[[[[[(3S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-3-[[(1,1-dimethylethyl)diphenylsilyl]oxy]tetrahydro-2-furanyl]oxy]hydroxyphosphinyl]thio]methyl]thymidine

Uridine, 2',3',5'-tris(3,5-dinitrobenzoate)

Thymidine, 3',5'-bis(4-methoxybenzoate)

Adenosine, 3'-deoxy-N,N-dimethyl-3'-phthalimido-, diacetate

2,4(1H,3H)-Pyrimidinedione, 1-[5-(3-azidopropyl)tetrahydro-4-hydroxy-2-furanyl]-5-ethyl-, [2R-(2α,4β,5α)]-