114551-78-9 2,4(1H,3H)-Pyrimidinedione, 5-(3-azido-2,3-dideoxy-.beta.-D-erythro-pentofuranosyl)- 3'-Azido-2',3'-dideoxy-5-aza-1-deazauridine AIDS-000938 AIDS000938 C-analog of 3'-N3-ddU