21598-58-3 5,5-Diphenyl-3-((4-methyl-1-piperazinyl)methyl)hydantoin 5-24-08-00380 (Beilstein Handbook Reference) BRN 0711262 Hydantoin, 5,5-diphenyl-3-((4-methylpiperazinyl)methyl)- NSC 365741