(Tpda) 2147-15-1 5'-Adenylic acid, thymidylyl-(5'-3')-2'-deoxy- 5'-Phosphorylthymidylyl(3'-5')deoxyadenosine 68232-75-7 90385-81-2 Deoxy(thymidylyl-adenylyl) Deoxythymidylyl-3'-5'-deoxyadenylate Deoxythymidylyl-deoxyadenylic acid Thymidylyl-deoxyadenylic acid d(Ptpa) d(T-A) d(TA)