19967-80-7 3,3'-(1,4-Piperazinediyldimethylene)bis(5-(alpha,beta-dibromophenethyl)-5-methylhydantoin) 5-24-08-00106 (Beilstein Handbook Reference) BRN 0739462 Hydantoin, 3,3'-(1,4-piperazinediyldimethylene)bis(5-(alpha,beta-dibromophenethyl)-5-methyl-