NC69669
2′-Deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-P-(2-cyanoethyl)-2′-deoxyguanylyl-(3′→5′)-3′-deoxy-3′-[[4-(10,15,20-triphenyl-21H,23H-porphin-5-yl)benzoyl]amino]thymidine