1-(Ethoxymethyl)-5-ethyl-6-(phenylseleno)-9,16,23,26-tetraoxo-2,4(1H,3H)-pyrimidinedione 1-Ethoxymethyl-6-phenylselenyl-5-ethyluracil 144433-06-7 2,4(1H,3H)-Pyrimidinedione, 1-(ethoxymethyl)-5-ethyl-6-(phenylseleno)- 9,16,23,26-tetraoxo- 5-Ethyl-1-(ethoxymethyl)-6-(phenylselenenyl)uracil