Guanosine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-(hydroxymethyl)-N-(2-methyl-1-oxopropyl)-, 5′-acetate

β-D-erythro-Pentofuranuronic acid, 1,2-dideoxy-1-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-, 1,1-dimethylethyl ester

β-D-erythro-Pentofuranuronic acid, 1,2-dideoxy-1-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-, 1,1-dimethylethyl ester

3′-Guanylic acid, 2′-deoxy-4′-C-[(1,1-dimethylethoxy)carbonyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, diethyl ester

α-L-threo-Pentofuranuronic acid, 1-[2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl]-1,2-dideoxy-4-C-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-, 1,1-dimethylethyl ester

α-L-threo-Pentofuranuronic acid, 4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-1,2-dideoxy-1-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-, 1,1-dimethylethyl ester, 3-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

α-L-threo-Pentofuranuronic acid, 4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-1,2-dideoxy-1-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-, 1,1-dimethylethyl ester

α-L-threo-Pentofuranuronic acid, 1,2-dideoxy-1-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-4-C-(hydroxymethyl)-, 1,1-dimethylethyl ester

Guanosine, 2′-deoxy-4′-C-[(1,1-dimethylethoxy)carbonyl]-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-formyl-N-(2-methyl-1-oxopropyl)-

Guanosine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-N-(2-methyl-1-oxopropyl)-

Guanosine, 2′-deoxy-3′,5′-di-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-(hydroxymethyl)-N-(2-methyl-1-oxopropyl)-

N-[9-[(2R,4S)-4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-5,5-bis(hydroxymethyl)-2-furanyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

Guanosine, 4′-C-[(acetyloxy)methyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

N-[6-[1,2-Bis(ethylthio)ethyl]-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-2-yl]-2-phenoxyacetamide

N-[6-[1,2-Bis(ethylthio)ethyl]-9-(2-deoxy-β-D-erythro-pentofuranosyl)-9H-purin-2-yl]-2-phenoxyacetamide

N-[6-[1,2-Bis(ethylthio)ethyl]-9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-2-yl]-2-phenoxyacetamide

9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-(2,2-dibromoethenyl)-9H-purin-2-amine

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

6-[1,2-Bis(ethylthio)ethyl]-9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-2-amine