Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(3aR)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(3aS)-tetrahydro-1H,3H-pyrrolo[1,2-c][1,3,2]oxazaphosphol-1-yl]-

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

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

Uridine, 2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′...

Uridine, 2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′-O-(2-methoxyethyl)-5-methyluridylyl-(3′→5′)-2′...

Thymidine, P-thiothymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

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

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-

Uridine, 5′-[(aminothioxomethyl)hydrazono]-5′-deoxy-2′,3′-O-(1-methylethylidene)-, (5E)-

(2R,3R,3aS,6S,6aR)-6-[(2-Amino-3-bromo-7-quinolinyl)methyl]tetrahydro-2-(5-methyl-7H-pyrrolo[2,3-d]pyrimidin-7-yl)furo[3,4-b]furan-3,3a(4H)-diol

(2R,3R,3aS,6S,6aR)-6-[(2-Amino-3-bromo-7-quinolinyl)methyl]-2-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydrofuro[3,4-b]furan-3,3a(4H)-diol