1-[(Phenylmethoxy)methyl]-6-[(3,5-dimethylphenyl)selenenyl]-2-thioxo-5-ethyluracil 172256-05-2 2,4(1H,3H)-Pyrimidinedione, 6-[(3,5-dimethylphenyl)seleno]-5-ethyl-1-[(phenylmethoxy)methyl]- AIDS-032998 AIDS032998 Uracil der.