1-Ethoxymethyl-6-[(3-methylphenyl)selenenyl]-2-thioxo-5-methylethyluracil 172256-07-4 2,4(1H,3H)-Pyrimidinedione, 1-(ethoxymethyl)-5-(1-methylethyl)-6-[(3-methylphenyl)seleno]- AIDS-033000 AIDS033000 Uracil der.