2,4-Imidazolidinedione, 5,5-diphenyl-3-(2-(4-methyl-1-piperazinyl)ethyl)- 5,5-Diphenyl-3-(2-(4-methyl-1-piperazinyl)ethyl)-2,4-imidazolidinedione 5-24-08-00388 (Beilstein Handbook Reference) 54742-86-8 BRN 0766710 Hydantoin, 5,5-diphenyl-3-(2-(4-methyl-1-piperazinyl)ethyl)-