3′-Adenylic acid, thymidylyloxy-1,3-propanediyliminocarbonyl-1,4-phenylene-1,2-ethenediyl-1,4-phenylenecarbonylimino-1,3-propanediyloxyphosphinico-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyloxy-1,3-propanediyliminocarbonyl-1,4-phenylene-1,2-ethenediyl-1,4-phenylenecarbonylimino-1,3-propanediyloxypho...