1-[(Phenylmethoxy)methyl]-6-phenylselenenyl-2-thioxo-5-methylethyluracil 172256-10-9 2,4(1H,3H)-Pyrimidinedione, 5-(1-methylethyl)-1-[(phenylmethoxy)methyl]-6-(phenylseleno)- AIDS-033003 AIDS033003 Uracil der.