63989-97-9 7,9-Diazaspiro(4.5)decane-6,8,10-trione, 4-ethyl-1-methyl-, sodium salt Sodium 4-ethyl-1-methyl-7,9-diazaspiro(4.5)decane-6,8,10-trione Sodium spiro(5'-ethyl-2'-methylcyclopentane)-5,5-pyrimidine-2,4,6-trione Sodium spiro(5-ethyl-2-methylcyclopentane barbiturate)