title: Synthesis and selective activity of cholinergic agents with rigid skeletons. III.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008968:Molecular Conformation; D010277:Parasympathomimetics / Q000138:chemical synthesis* / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D010277:Parasympathomimetics