FIELD: chemistry.
SUBSTANCE: present invention relates to steroids with (11β)-[4-(aza-aryl)phenyl] substitutes which modulate progesterone receptors, or pharmaceutically acceptable salts and/or hydrated form, and/or prodrug thereof.
EFFECT: compounds exhibit combined activity profile of PR agonist and PR antagonist which makes them suitable for contraception and treating gynaecological disorders.
30 cl, 28 ex, 1 tbl
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