1-[(2-Hydroxyethoxy)methyl]-6-[(3,5-dimethylphenyl)selenenyl]-5-methylethyluracil 172255-88-8 2,4(1H,3H)-Pyrimidinedione, 6-[(3,5-dimethylphenyl)seleno]-1-[(2-hydroxyethoxy)methyl]-5-(1-methylethyl)- AIDS-032985 AIDS032985 URACIL DER.