Thymidine, 5′-azido-2′,5′-dideoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-amino-2′,5′-dideoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-

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

Thymidine, 5′-azido-5′-deoxythymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-amino-5′-deoxythymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

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

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

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

Cytidine, 2′-deoxy-5′-S-[(diethylamino)thioxomethyl]-5′-thiocytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Adenosine, 2′-deoxy-5′-S-[(diethylamino)thioxomethyl]-5′-thioadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxy-5′-S-[(diethylamino)thioxomethyl]-5′-thioguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Thymidine, 5′-S-[(diethylamino)thioxomethyl]-5′-thiothymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-

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

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

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

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

Thymidine, 5′-S-[(diethylamino)thioxomethyl]-5′-thiocytidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 2′-deoxy-5′-thiocytidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 2′-deoxy-5′-S-[(diethylamino)thioxomethyl]-5′-thioadenylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 2′-deoxy-5′-thioadenylyl-(3′→5′)-thymidylyl-(3′→5′)-