1-Cyclohexyl-5-isobutyl-2,4,6(1H,3H,5H)-pyrimidinetrione 1-Cyclohexyl-5-isobutylbarbituric acid 1028-42-8 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1-cyclohexyl-5-isobutyl- 5-24-09-00136 (Beilstein Handbook Reference) BARBITURIC ACID, 1-CYCLOHEXYL-5-ISOBUTYL- BRN 0755291