2,4-Imidazolidinedione, 5-(3-(bis(2-chloroethyl)amino)-5-methyl- 5-(m-(Bis(2-chloroethyl)amino)phenyl)-5-methylhydantoin 5-25-16-00018 (Beilstein Handbook Reference) 93569-09-6 BRN 0623162 CB 1678 HYDANTOIN, 5-(m-(BIS(2-CHLOROETHYL)AMINO)PHENYL)-5-METHYL- NSC 240489