17013-42-2 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(3-methylbutyl)-5-propyl- (9CI) 5-24-09-00180 (Beilstein Handbook Reference) 5-Isopentyl-5-propylbarbituric acid BRN 0021745 Barbituric acid, 5-isopentyl-5-propyl- NSC 120840