title: Anticholinergic agents. Synthesis of 1,1,4-trimethyl- and 1,1,5- trimethyl-3-diphenylmethylenepyrrolidinium halides.
mesh_terms: D001559:Benzhydryl Compounds / Q000138:chemical synthesis / Q000494:pharmacology; D010276:Parasympatholytics / Q000138:chemical synthesis*; D011759:Pyrrolidines / Q000138:chemical synthesis* / Q000494:pharmacology
chemical_list: D001559:Benzhydryl Compounds; D010276:Parasympatholytics; D011759:Pyrrolidines