Synonyms: Somnifen;2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-diethyl-, mixt. with 5-(1-methylethyl)-5-(2-propenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione;8003-99-4;AC1L483J;LS-135693;5,5-diethyl-1,3-diazinane-2,4,6-trione; 5-propan-2-yl-5-prop-2-enyl-1,3-diazinane-2,4,6-trione;5,5-diethylpyrimidine-2,4,6(1H,3H,5H)-trione - 5-(propan-2-yl)-5-(prop-2-en-1-yl)pyrimidine-2,4,6(1H,3H,5H)-trione (1:1)