20-keto-11&beta, -arylsteroids and their derivatives having agonist or antagonist hormonal properties

The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG PING-SHENG, J.A. KEPLER, C.E. COOK
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS STEROIDS
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Beschreibung
Zusammenfassung:	The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.