2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-methyl-5-(1-methylbutyl)- (9CI) 5-Methyl-5-(1-methylbutyl)barbituric acid sodium salt 52944-65-7 BARBITURIC ACID, 5-METHYL-5-(1-METHYLBUTYL)-, SODIUM SALT Barbituric acid, 5-methyl-5-(1-methylbutyl)- NSC 27276