631-07-2

NIRVANOL (+/-)-NIRVANOL ethylphenylhydantoin N-DESMETHYLMEPHENTOIN DESMETHYL MEPHENYTOIN N-Desmethylmephenytoin 5-ethyl-5-phenyl-hydantoi 5-Phenyl-5-ethylhydantoin 5-ETHYL-5-PHENYLHYDANTOIN rac N-Desmethyl Mephenytoin Hydantoin, 5-ethyl-5-phenyl- (+/-)-5-ETHYL-5-PHENYLHYDANTOIN 3-ethyl-1-phenylimidazolidine-2,4-dione 5-ETHYL-5-PHENYL-IMIDAZOLIDINE-2,4-DIONE 2,4-Imidazolidinedione, 5-ethyl-5-phenyl- (+/-)-5-ETHYL-5-PHENYL-2,4-IMIDAZOLIDINEDIONE (RS)-5-Ethyl-5-phenyl- 2,4-iMidazolidinedione Mephenytoin Impurity 4(rac N-Desmethyl Mephenytoin) (±)-5-Ethyl-5-phenyl-2,4-imidazolidinedione, (±)-5-Ethyl-5-phenylhydantoin