63990-21-6 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 2,4-diethyl-1-methyl-, sodium salt Sodium 2,4-diethyl-1-methyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(3',5'-diethyl-2'-methylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(3,5-diethyl-2-methylcyclopentane barbiturate)