title: Synthesis and cardiotonic activity of three new cassaine analogues.
mesh_terms: D045784:Abietanes; D000470:Alkaloids / Q000032:analysis / Q000138:chemical synthesis* / Q000494:pharmacology; D000818:Animals; D004353:Drug Evaluation, Preclinical; D006321:Heart / Q000187:drug effects*; D013058:Mass Spectrometry; D009200:Myocardial Contraction / Q000187:drug effects; D010616:Phenanthrenes / Q000138:chemical synthesis* / Q000494:pharmacology; D011817:Rabbits
chemical_list: D045784:Abietanes; D000470:Alkaloids; D010616:Phenanthrenes; C010696:cassaine