1-[(2-Hydroxyethoxy)methyl]-6-[(3-methylphenyl)selenenyl]-5-ethyluracil 172255-84-4 2,4(1H,3H)-Pyrimidinedione, 5-ethyl-1-[(2-hydroxyethoxy)methyl]-6-[(3-methylphenyl)seleno]- AIDS-032981 AIDS032981 URACIL DER.