title: Some quaternary ammonium salts of heterocyclic bases.
authors.forename: J L
authors.initials: JL
authors.lastname: HARTWELL
authors.forename: S R L
authors.initials: SR
authors.lastname: KORNBERG
mesh_terms: D000641:Ammonia; D000644:Quaternary Ammonium Compounds; D012492:Salts
chemical_list: D000644:Quaternary Ammonium Compounds; D012492:Salts; D000641:Ammonia
keywords: AMMONIA AND AMMONIUM COMPOUNDS/quaternary salts