1,3-Diazaspiro(4.5)decane-2,4-dione, 3-((4-benzyl-1-piperazinyl)methyl)- 21598-64-1 5-24-07-00296 (Beilstein Handbook Reference) BRN 0706420 Hydantoin, 3-((4-benzylpiperazinyl)methyl)-5,5-pentamethylene-