2'-Deoxyadenosine & 3'-Azido-3'-deoxythymidine 2'-dA & AZT 2'-ddA & AZT 9H-Purin-6-amine, 9-(2-deoxy-b-D-threo-pentofuranosyl)- & Thymidine, 3'-azido-3'-deoxy- AIDS-000879 AIDS000879