1-(3-Amino-2,3-dideoxy.-alpha.-D-arabino-hexofuranosyl)-5-fluorouracil 133488-26-3 2,4(1H,3H)-Pyrimidinedione, 1-(3-amino-2,3-dideoxy-.alpha.-D-arabino-hexofuranosyl)-5-fluoro- 3NH-D-arab-ddU deriv. AIDS-002526 AIDS002526