63990-02-3 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 1-methyl-4-propyl-, sodium salt Sodium 1-methyl-4-propyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(2'-methyl-5'-propylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(2-methyl-5-propylcyclopentane barbiturate)