title: Studies on antispasmodics. I. Synthesis and anticholinergic activity of 1-, 2-, and 3-diarylmethylenequinolizidine quaternary ammonium salts.
mesh_terms: D010276:Parasympatholytics / Q000138:chemical synthesis* / Q000494:pharmacology; D011807:Quinolizines / Q000138:chemical synthesis* / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D010276:Parasympatholytics; D011807:Quinolizines; C024801:diarylmethylenequinolizidine quaternary ammonium salts