2,4-Imidazolidinedione,5-ethyl-3-methyl-5-phenyl-, (5S)-;(S)-Mephenytoin;(S)-5-Ethyl-3-methyl-5-phenylimidazolidine-2,4-dione;(+)-Mephobarbital;(+)-Mephobarbitol;(5R)-mephobarbital;(S)-5-Ethyl-1-methyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione;(S)-Methylphenobarbital;[14C]-(+)-Mephenytoin;2,4,6(1H,3H,5H)-Pyrimidinetrione,5-ethyl-1-methyl-5-phenyl-,(S);S(+)-5-Ethyl-1-methyl-5-phenylbarbituric acid;S(+)-5-Ethyl-3-methyl-5-phenylhydantoin;S-mephenytoin;UNII-5NC67NU76B component ALARQZQTBTVLJV-ZDUSSCGKSA-N;(S)-(+)-5-Ethyl-3-methyl-5-phenyl-2,4-imidazolidinedione;(S)-(+)-5-Ethyl-3-methyl-5-phenylhydantoin