Synonyms: 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-butyl-5-(2-propenyl)- (9CI); Barbituric acid, 5-allyl-5-butyl- (6CI,7CI,8CI);5-Allyl-5-butylbarbituric acid; 5-Allyl-5-n-butylbarbituric acid;5-Butyl-5-allylbarbituric acid; Allylbutylbarbituric acid; Idobutal; NSC 27524;n-Butylallylbarbitone; n-Butylallylbarbituric acid