title: [Derivatives of 2-imidazolidinone-4-carboxylic acid. 5.  -substituted enamines].
mesh_terms: D000143:Acids / Q000138:chemical synthesis*; D000588:Amines; D002264:Carboxylic Acids / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D003485:Cyanates; D007093:Imidazoles / Q000138:chemical synthesis*
chemical_list: D000143:Acids; D000588:Amines; D002264:Carboxylic Acids; D003485:Cyanates; D007093:Imidazoles
vernacular_title: Uber Derivate der Imidazolon-2-carbonsäure-4. 5. Uber  -substituierte Enambine.