2'-Deoxycytidylyl-(3'.5')-thymidylyl-(3'.5')-2'-deoxyguanylyl-(3'.5')-2'-deoxyadenylyl-(3'.5')-thymidylyl-(3'.5')-2'-deoxycytidylyl-(3'.5')-2'-deoxyadenylyl-(3'.5')-2'-deoxyguanosine