2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-butyl-, 5-butylpyrimidinetrione, 5-n-butyl-2,4,6-pyrimidinetrione, n-butylbarbituric acid, 5-butyl-1,3-diazinane-2,4,6-trione, 5-n-Butylbarbituric acid, 5-butyl-pyrimidine-2,4,6-trione, 5-Butylbarbituric acid, 5-Butyl-barbitursaeure