title: Structure-activity relationship of mono- and bisquaternary pyridines in regard to their parasympatholytic effects.
mesh_terms: D000818:Animals; D001565:Benzoates / Q000494:pharmacology; D003983:Dibenzylchlorethamine / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D005662:Furaldehyde / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D008688:Methacholine Compounds / Q000037:antagonists & inhibitors / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009768:Obidoxime Chloride / Q000494:pharmacology; D010091:Oximes / Q000494:pharmacology; D010276:Parasympatholytics; D011220:Pralidoxime Compounds / Q000494:pharmacology; D011726:Pyridinium Compounds / Q000494:pharmacology*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D011950:Receptors, Cholinergic / Q000187:drug effects; D013329:Structure-Activity Relationship
chemical_list: D001565:Benzoates; D008688:Methacholine Compounds; D010091:Oximes; D010276:Parasympatholytics; D011220:Pralidoxime Compounds; D011726:Pyridinium Compounds; D000644:Quaternary Ammonium Compounds; D011950:Receptors, Cholinergic; D009768:Obidoxime Chloride; D003983:Dibenzylchlorethamine; D005662:Furaldehyde