1-Ethoxymethyl-6-[(3,5-difluorophenyl)selenenyl]-2-thioxo-5-methylethyluracil 172256-09-6 2,4(1H,3H)-Pyrimidinedione, 6-[(3,5-difluorophenyl)seleno]-1-(ethoxymethyl)-5-(1-methylethyl)- AIDS-033002 AIDS033002 Uracil der.