Nickisch, K Aldosterone antagonists. 4. Synthesis and activities of steroidal 6,6-ethylene-15,16-methylene 17-spirolactones. [electronic resource] - Journal of medicinal chemistry Aug 1991 - 2464-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-2623 Standard No.: 10.1021/jm00112a022 doi Subjects--Topical Terms: AdrenalectomyAldosterone--pharmacologyAnimalsChemical PhenomenaChemistryEndometrium--drug effectsFemaleMaleMineralocorticoid Receptor Antagonists--chemical synthesisMolecular StructurePotassium--urinePregnancyPregnancy Maintenance--drug effectsRabbitsRatsRats, Inbred StrainsReceptors, Progesterone--metabolismSodium--urineSpironolactone--analogs & derivatives