title: [Antituberculotics. 20. Pyridine quaternization as a model reaction for structure activity relationships of 6-halogen-2-alkyl-isonicotinic acid hydrazides].
mesh_terms: D000995:Antitubercular Agents; D055598:Chemical Phenomena; D002621:Chemistry; D007538:Isoniazid / Q000031:analogs & derivatives* / Q000494:pharmacology; D011726:Pyridinium Compounds; D013329:Structure-Activity Relationship
chemical_list: D000995:Antitubercular Agents; D011726:Pyridinium Compounds; D007538:Isoniazid
vernacular_title: Antituberculotica. 20. Mitteilung: Pyridin-Quaternisierung als Modellreaktion für Struktur-Wirkungs-Beziebungen von 6-Halogen-2-alkylisonicotinsäurehydraziden.