title: Thin-layer chromatography of quaternary ammonium salts on alumina layers.
mesh_terms: D000109:Acetylcholine / Q000302:isolation & purification; D001622:Betaine / Q000302:isolation & purification; D002331:Carnitine / Q000302:isolation & purification; D002794:Choline / Q000302:isolation & purification; D002855:Chromatography, Thin Layer; D006584:Hexamethonium Compounds / Q000302:isolation & purification; D008722:Methods; D010880:Piperidines / Q000302:isolation & purification; D011726:Pyridinium Compounds / Q000302:isolation & purification; D011759:Pyrrolidines / Q000302:isolation & purification; D000644:Quaternary Ammonium Compounds / Q000302:isolation & purification*; D013757:Tetraethylammonium Compounds / Q000302:isolation & purification
chemical_list: D006584:Hexamethonium Compounds; D010880:Piperidines; D011726:Pyridinium Compounds; D011759:Pyrrolidines; D000644:Quaternary Ammonium Compounds; D013757:Tetraethylammonium Compounds; D001622:Betaine; D002794:Choline; D000109:Acetylcholine; D002331:Carnitine