n-Butylallylbarbituric acid, Idobutal, 5-Allyl-5-butyl-barbitursaeure, 5-allyl-5-butyl-barbituric acid, 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-butyl-5-(2-propenyl)-, Allylbutylbarbituric acid, Allyl-butyl-barbitursaeure, 5-n-Butyl-5-allylbarbitursaeure, n-Butylallylbarbitone, 5-allyl-5-butyl-pyrimidine-2,4,6-trione