title: Molecular conformation of substances with antimuscarinic activity.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors; D002623:Chemistry Techniques, Analytical; D003720:Densitometry; D008968:Molecular Conformation; D010276:Parasympatholytics / Q000032:analysis*; D000644:Quaternary Ammonium Compounds / Q000032:analysis*; D011854:Radiochemistry
chemical_list: D010276:Parasympatholytics; D000644:Quaternary Ammonium Compounds; D000109:Acetylcholine