63990-16-9 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 2-(n-butyl)-1,4-dimethyl-, sodium salt Sodium 2-(n-butyl)-1,4-dimethyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(3'-(n-butyl)-2',5'-dimethylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(3-(n-butyl)-2,5-dimethylcyclopentane barbiturate)