63990-06-7 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 8-thioxo-1,2,4-trimethyl-, sodium salt Sodium 8-thioxo-1,2,4-trimethyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(2',3',5'-trimethylcyclopentane)-5,5-pyrimidine-2-thio-4,6-dione Sodium spiro(2,3,5-trimethylcyclopentane 2'-thiobarbiturate)