title: Cardenolide analogues. 9. Synthesis and biological activity of 17beta-carbomethoxyethylene and 17beta-cyanoethylene 14alpha-H steroids.
mesh_terms: D000251:Adenosine Triphosphatases / Q000037:antagonists & inhibitors; D000818:Animals; D002298:Cardenolides / Q000138:chemical synthesis* / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009682:Magnetic Resonance Spectroscopy; D009200:Myocardial Contraction / Q000187:drug effects
chemical_list: D002298:Cardenolides; D000251:Adenosine Triphosphatases