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Home › 7.alpha.-Substituted 3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactones, process for their production, and pharmaceutical preparations containing same

7.alpha.-Substituted 3-oxo-17.alpha.-pregn-4-ene-21,17-carbolactones, process for their production, and pharmaceutical preparations containing same

US Patent 4559331 · Granted Dec 17, 1985

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