17-methylene- and 17-ethylidene-estratrienes

Details 17-methylene- and 17-ethylidene-estratrienes 17-methylene- and 17-ethylidene-estratrienes

A - Human Necessities

61

K

167/192

A61K 31/56 (2006.01) A61K 31/58 (2006.01)

Patent

CA 1329770

Abstract of the Disclosure A pharmaceutical preparation for treating menopausal symptoms, estrogen deficiency and hormone- dependent tumors, and for use as a contraceptive, comprises a compound of formula I Image (I). wherein R1 is hydrogen, methyl, a tetrahydropyranyl group or an acyl group and R2 is hydrogen or methyl.

585132

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