title: Structure-activity relationship of the cardenolide, with special reference to the substituents and configurations at C-14 and C-15.
mesh_terms: D000818:Animals; D001001:Anura; D002297:Cardanolides / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D006321:Heart / Q000187:drug effects*; D013329:Structure-Activity Relationship
chemical_list: D002297:Cardanolides