2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-dipropyl- (9CI) 2217-08-5 5,5-Dipropyl-2,4,6(1H,3H,5H)-pyrimidinetrione 5,5-Dipropylbarbituric acid 5-24-09-00165 (Beilstein Handbook Reference) BRN 0198351 Barbituric acid, 5,5-dipropyl- Dipropylbarbituric acid EINECS 218-706-4 Proponal Propylbarbital