63989-94-6 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 2-ethyl-1-methyl-4-propyl-, sodium salt Sodium 2-ethyl-1-methyl-4-propyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(3'-ethyl-2'-methyl-5'-propylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(3-ethyl-2-methyl-5-propylcyclopentane barbiturate)