title: Further molecular orbital studies on the conformation of acetylcholine and its derivatives.
mesh_terms: D000109:Acetylcholine; D002217:Carbachol; D002794:Choline; D008688:Methacholine Compounds; D008956:Models, Chemical; D008968:Molecular Conformation; D013329:Structure-Activity Relationship; D013440:Sulfides; D014961:X-Ray Diffraction
chemical_list: D008688:Methacholine Compounds; D013440:Sulfides; D002217:Carbachol; D002794:Choline; D000109:Acetylcholine