1-(3-C-Cyano-3-deoxy-B-D-xylo-pentofuranosyl)uracil 121123-89-5 2,4(1H,3H)-Pyrimidinedione, 1-(3-cyano-3-deoxy-b-D-xylofuranosyl)- AIDS-001186 AIDS001186 Uracil deriv.