2,4-Imidazolidinedione, 5-methyl-5-phenyl- (9CI) 5-Methyl-5-phenylhydantoin 5-Methyl-5-phenylimidazolidine-2,4-dione 6843-49-8 AI3-03732 CB 1664 EINECS 229-928-6 Hydantoin, 5-methyl-5-phenyl- T13