(17a)-17-Hydroxy-3-oxo-19-norpregna-4,9-, diene-21-nitrile, 500 mg

(17a)-17-Hydroxy-3-oxo-19-norpregna-4,9-, diene-21-nitrile, Molar mass (M) 311,42 g/mol, Storage temp. -20 °C, CAS No. 65928-58-7, Empirical formula C₂₀H₂₅NO₂