| 摘要 |
The present invention provides pharmaceutical preparations for the treatment of estrogen dependent tumors. The pharmaceutical preparations contain an effective amount of a steroid sulphatase inhibitor of the formula: (* CHEMICAL STRUCTURE *) where R is alkyl, preferably C1-C6 alkyl, and the ring system A B C D is a steroid nucleus selected from the group consisting of oestrone, dehydroepiandrosterone, substituted oestrones and substituted dehydroepiandrosterones or pharmaceutically acceptable salts thereof.
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