20,21-aziridine steroids: reaction of derivatives of the oximes of 5-pregnen-20-one, 9beta,10alpha-5-pregnen-20 and 9beta,10alpha-5,7-pregnadiene-20-one with lithium aluminium hydride, and of 3beta-hydroxy-5-pregnen-20-one oxime with Grignard reagents (author's transl)

R&D Labs maybe for 108-09-8

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