title: [Studies on diphenyl ether derivatives. 3. Synthesis and spasmolytic screening of new quaternary salts of tropine tropates].
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D007421:Intestine, Small / Q000187:drug effects; D051379:Mice; D010276:Parasympatholytics / Q000138:chemical synthesis / Q000494:pharmacology; D014326:Tropanes / Q000138:chemical synthesis / Q000494:pharmacology
chemical_list: D010276:Parasympatholytics; D014326:Tropanes