17013-35-3 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-(1-methyl-2-butenyl)- (9CI) 5-Ethyl-5-(1-methyl-2-butenyl)barbituric acid Barbituric acid, 5-ethyl-5-(1-methyl-2-butenyl)- NSC 120863