FIELD: biologically-active compounds. SUBSTANCE: invention provides novel 15,15-dialkylsteroid compounds with general formula I: 
(I) in which R1 and R2 are independently hydrogen atoms, R3 and R4 are independently linear C1-C10-alkyls or branched C3-C10-alkyls. Compounds show high estrogen activity when orally administered. EFFECT: extended choice of estrogen drugs. 8 cl
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