Synonyms: 1-((2-Hydroxyethoxy)methyl)-6-((3,5-dimethylphenyl)selenenyl)-5-ethyluracil;1-[(2-Hydroxyethoxy)methyl]-6-[(3,5-dimethylphenyl)selenenyl]-5-ethyluracil;2,4(1H,3H)-Pyrimidinedione, 6-((3,5-dimethylphenyl)seleno)-5-ethyl-1-((2-hydroxyethoxy)methyl)-;2,4(1H,3H)-Pyrimidinedione, 6-[(3,5-dimethylphenyl)seleno]-5-ethyl-1-[(2-hydroxyethoxy)methyl]-