FIELD: organic chemistry, steroids, pharmacy. SUBSTANCE: invention describes new antiandrogenic compounds of the general formula (I) 
where values R4, R6, R17α are given in p. 1 of the invention claim. Compounds show an effective antagonistic effect and devoid of agonistic properties. Invention describes also a precursor of an antiandrogenic compound and pharmaceutical compositions based on compounds of the general formula (I) that are used for treatment of patients with androgen-dependent diseases. EFFECT: valuable curative properties of compounds. 8 cl, 12 dwg, 6 tbl, 25 ex
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