63990-09-0 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 1,2,4-trimethyl-, sodium salt Sodium 1,2,4-trimethyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(2',3',5'-trimethylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(2,3,5-trimethylcyclopentane barbiturate)