1,3-Diphenyl-5-methyl-2,4,6(1H,3H,5H)-pyrimidinetrione 1,3-Diphenyl-5-methylbarbituric acid 5-24-09-00118 (Beilstein Handbook Reference) 739-50-4 BRN 0892373 Barbituric acid, 1,3-diphenyl-5-methyl-