63990-25-0 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 1,2-dimethyl-4-ethyl-, sodium salt Sodium 1,2-dimethyl-4-ethyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(2',3'-dimethyl-5'-ethylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(2,3-dimethyl-5-ethylcyclopentane barbiturate)