Novel 1,2-methylene-17amp;agr;-acyloxy (or improved hydroxy)-9amp;bgr;, 10. alpha.-steroid compounds of the pregnane series, pharmaceutic preparations on the basis of the novel compounds and methods of producing said compounds and preparations

摘要

New 1,2-methylene-17&agr; acyloxy-9&bgr;, 10&agr; pregnane compounds having high progestational and anti-ovulatory activities.