Alpheba, Alphenal, Phenallymalum, Alphenate, Phenallymal, Prophenal, Fenallymal, Allophenylum, Allofenyl, 5-allyl-5-phenyl-pyrimidine-2,4,6-trione, 5-Allyl-5-phenylbarbituric acid, 5-phenyl-5-(2-propenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione, Alphasem, 5-Allyl-5-phenyl-barbitursaeure, 5-Phenyl-5-allylbarbitursaeure, 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-phenyl-5-(2-propenyl)-