1,3-Diphenyl-5-ethyl-2,4,6(1H,3H,5H)-pyrimidinetrione 1,3-Diphenyl-5-ethylbarbituric acid 5-24-09-00122 (Beilstein Handbook Reference) 741-81-1 BRN 0307730 Barbituric acid, 1,3-diphenyl-5-ethyl-