Propanamide, N-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-[3-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-1-propynyl]-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-2-yl]-2-methyl-

Thymidine, thymidylyl-(3′→5′)-2-amino-2′-deoxy-N,N-dimethyladenylyl-(3′→5′)-

2′-Deoxy-N,N-dimethyl-2-[(2-phenoxyacetyl)amino]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

N,N-Dimethyl-2-[(2-phenoxyacetyl)amino]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N,N-dimethyl-2-[(2-phenoxyacetyl)amino]adenosine

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N,N-dimethyl-2-[2-(phenoxyacetyl)amino]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

2′-Deoxy-N,N-dimethyl-2-[(2-phenoxyacetyl)amino]adenosine

Adenosine, N,N-dimethyl-2-[(2-phenoxyacetyl)amino]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-(1H-imidazole-1-carbothioate)

N,N-Dimethyl-2-[(2-phenoxyacetyl)amino]adenosine

2,4(1H,3H)-Pyrimidinedione, 1-[2,3-dideoxy-3-fluoro-5-O-(triphenylmethyl)-β-L-threo-pentofuranosyl]-5-iodo-

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

(2S,3S,5S)-2,3-Dihydro-8-iodo-3-[(triphenylmethoxy)methyl]-2,5-methano-5H,9H-pyrimido[2,1-b][1,5,3]dioxazepin-9-one

Guanosine, 2′-deoxy-N-(4-hydroxybutylidene)-

2′-Deoxy-N-(4-hydroxybutyl)guanosine

Inosine, 2′-deoxy-2-(1-pyrrolidinyl)-

Guanosine, 2′-deoxy-N-(4,5-dihydroxypentyl)-

Guanosine, 2′-deoxy-N-(4-oxobutyl)-

Inosine, 2′-deoxy-2-(2-hydroxy-1-pyrrolidinyl)-

Guanosine, 2′-deoxy-N-[(3R)-3-hydroxybutylidene]-

Guanosine, 2′-deoxy-N-[(3S)-3-hydroxybutylidene]-