N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-[2-(phenylthio)ethyl]-9H-purin-2-yl]-2-phenoxyacetamide

Uridine, 2′-deoxyguanylyl-(3′→5′)-5-[[3-(4-cyanobenzoyl)phenyl]ethynyl]-2′-deoxyuridylyl-(3′→5′)-2′-deoxy-

5-Amino-N-methyl-1-β-D-ribofuranosyl-1H-imidazole-4-carboxamide

Carbamic acid, [4-(aminocarbonyl)-1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1H-imidazol-5-yl]-, methyl ester

5-Amino-3-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]imidazo[4,5-d][1,3]oxazin-7(3H)-one

Inosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-1-hydroxy-

Inosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-1-(2,4-dinitrophenyl)-

3′-Adenylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, bis(trimethylsilyl) ester

3′-Cytidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-