Guanosine, 8-[(4-benzoylphenyl)amino]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-

Guanosine, 8-[(3-benzoylphenyl)amino]-N-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-

Guanosine, 8-[(4-benzoylphenyl)amino]-N-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-

N-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-8-(1-pyrenylamino)guanosine

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

Guanosine, N-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-8-(9H-fluoren-2-ylamino)-6-O-(phenylmethyl)-

Guanosine, N-[bis(4-methoxyphenyl)phenylmethyl]-8-bromo-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)-

8-Bromo-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-(phenylmethyl)guanosine

Uridine, 3′-amino-3′-deoxy-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]uridylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Uridine, 3′-amino-P-(2-cyanoethyl)-3′-deoxy-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]uridylyl-(3′→5′)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

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

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

Uridine, 3′-deoxy-3′-(phosphonoamino)-

2′-Uridylic acid, 3′-amino-3′-deoxy-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Methyl (2E)-3-[[1-(3,5-di-O-benzoyl-2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-5-(3-methoxy-3-oxo-1-propyn-1-yl)-2-oxo-4-pyrimidinyl]oxy]-2-propenoate

Uridine, 5-[3-(benzoyloxy)-1-propynyl]-2′-deoxy-, 3′,5′-dibenzoate

Uridine, 2′-deoxy-5-(phenylethynyl)-, 3′,5′-dibenzoate

Uridine, 2′-deoxy-5-(1-propynyl)-, 3′,5′-dibenzoate

Uridine, 5′-O-phosphonouridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-