2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(1-methyl-1-butenyl)-5-propyl- (9CI) 4-24-00-02017 (Beilstein Handbook Reference) 5-(1-Methyl-1-butenyl)-5-propylbarbituric acid 6966-40-1 BRN 0225716 Barbituric acid, 5-(1-methyl-1-butenyl)-5-propyl- NSC 18781