1-Methyl-5-(3-azido-2,3-dideoxy-2-fluoro-.beta.-D-arabinofuranosyl)uracil 127517-43-5 2,4(1H,3H)-Pyrimidinedione, 5-(3-azido-2,4-dideoxy-2-fluoro-.beta.-D-arabinofuranosyl)-1-methyl- 3-Az-2'-F-arabino-ddT AIDS-001363 AIDS001363