title: Spasmolytic activity of some 4-methylumbelliferone derivatives.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D006923:Hymecromone / Q000031:analogs & derivatives* / Q000494:pharmacology; D066298:In Vitro Techniques; D008297:Male; D010276:Parasympatholytics / Q000138:chemical synthesis*; D011817:Rabbits; D051381:Rats; D011919:Rats, Inbred Strains; D014468:Umbelliferones
chemical_list: D010276:Parasympatholytics; D014468:Umbelliferones; D006923:Hymecromone