1-[(2-Hydroxyethoxy)methyl]-6-[(3,5-dimethylphenyl)selenenyl]-5-ethyluracil 172255-85-5 2,4(1H,3H)-Pyrimidinedione, 6-[(3,5-dimethylphenyl)seleno]-5-ethyl-1-[(2-hydroxyethoxy)methyl]- AIDS-032982 AIDS032982 URACIL DER.