Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)(phenylmethyl)amino]-N-(phenoxyacetyl)-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)(phenylmethyl)amino]-N-(phenoxyacetyl)-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)(phenylmethyl)amino]-N-(phenoxyacetyl)-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)(phenylmethyl)amino]-6-O-(phenylmethyl)-

Guanosine, N-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)(phenylmethyl)amino]-6-O-(phenylmethyl)-

Carbamic acid, [9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2-[(phenoxyacetyl)amino]-6-(phenylmethoxy)-9H-purin-8-yl](1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)-, 1,1-dimethylethyl ester

Carbamic acid, [9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2-[(phenoxyacetyl)amino]-6-(phenylmethoxy)-9H-purin-8-yl](1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)-, 1,1-dimethylethyl ester

Carbamic acid, [9-(2-deoxy-β-D-erythro-pentofuranosyl)-2-[(phenoxyacetyl)amino]-6-(phenylmethoxy)-9H-purin-8-yl](1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)-, 1,1-dimethylethyl ester

Carbamic acid, [2-amino-9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-(phenylmethoxy)-9H-purin-8-yl](1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)-, 1,1-dimethylethyl ester

Carbamic acid, [2-[[bis(4-methoxyphenyl)phenylmethyl]amino]-9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-(phenylmethoxy)-9H-purin-8-yl](1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)-, 1,1-dimethylethyl ester

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)amino]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)amino]-

Guanosine, 2′-deoxy-N-[(dimethylamino)methylene]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)amino]-

Guanosine, 2′-deoxy-N-[(dimethylamino)methylene]-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)amino]-

Guanosine, 2′-deoxy-8-[(6-methyldipyrido[1,2-a:3′,2′-d]imidazol-2-yl)amino]-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridin-2-yl)amino]-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(6-methyldipyrido[1,2-a:3′,2′-d]imidazol-2-yl)amino]-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(3-methyl-3H-imidazo[4,5-f]quinolin-2-yl)amino]-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(1,4-dimethyl-5H-pyrido[4,3-b]indol-3-yl)amino]-6-O-(phenylmethyl)-

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-[(3,8-dimethyl-3H-imidazo[4,5-f]quinoxalin-2-yl)amino]-6-O-(phenylmethyl)-