| 摘要 |
This invention relates to 8 alpha -3-hydroxyestra-1,3,5(10),9(11)tetraen-17-one ( DELTA 9(11)-dehydro-8-isoestrone) (VI), <IMAGE> to the process for its preparation, to pharmaceutical compositions containing said 8 alpha -3-hydroxyestra-1,3,5(10),9(11)tetraen-17-one ( DELTA 9(11)-dehydro-8-isoestrone) (VI) and to the use of said 8 alpha -3-hydroxyestra-1,3,5(10),9(11)tetraen-17-one ( DELTA 9(11)-dehydro-8-isoestrone) (VI) for modifying the balance between bone production and bone resorption, and as an antioxidant in a host animal, including man.
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