16820-12-5 2,4-Imidazolidinedione, 5-ethyl-5-methyl- 5-24-05-00393 (Beilstein Handbook Reference) 5-Ethyl-5-methylhydantoin 5-Ethyl-5-methylimidazolidine-2,4-dione 5-Methyl-5-ethylhydantoin 5394-36-5 BRN 0081952 EINECS 226-402-8 Hydantoin, 5-ethyl-5-methyl- Methylethylhydantoin NSC 1020 T11