title: Curariform activity of quaternary ammonium iodides derived from cinchona alkaloids.
mesh_terms: D000641:Ammonia; D064751:Ammonium Compounds; D002930:Cinchona Alkaloids; D000644:Quaternary Ammonium Compounds
chemical_list: D064751:Ammonium Compounds; D002930:Cinchona Alkaloids; D000644:Quaternary Ammonium Compounds; D000641:Ammonia; C582942:ammonium iodide
keywords: AMMONIA AND AMMONIUM COMPOUNDS/quaternary ammonium compounds