Synonyms: Hydantoin,5-(a,b-dibromophenethyl)-5-methyl- (6CI,7CI,8CI);5-(1',2'-Dibromo-2'-phenyl)ethyl-5-methylhydantoin; 5-(a,b-Dibromophenethyl)-5-methylhydantoin;5-Methyl-5-(1,2-dibromo-2-phenylethyl)hydantoin;5-Methyl-5-(1,2-dibromo-2-phenylethylene)hydantoin; 5-Methyl-5-(a,b-dibromophenethyl)hydantoin; Anirrit;Methyldibromostyrylhydantoin; Pesomin; Pondumin