英文同义词: | 5,5-DIPHENYLHYDANTOIN-3-BUTYRIC ACID;2,5-Dioxo-4,4-diphenyl-1-imidazolidinebutanoicAcid,;Hydantoin 3-Butyric Acid 5,5-Diphenyl;Hydantoin Impurity 8;4-(2,5-Dioxo-4,4-diphenylimidazolidin-1-yl)butanoic acid;1-Imidazolidinebutanoic acid, 2,5-dioxo-4,4-diphenyl- |