63990-04-5 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 1-methyl-4-propyl-8-thioxo-, sodium salt Sodium 1-methyl-4-propyl-8-thioxo-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(2'-methyl-5'-propylcyclopentane)-5,5-pyrimidine-2-thio-4,6-dione Sodium spiro(2-methyl-5-propylcyclopentane 2'-thiobarbiturate)