| 摘要 |
The present invention relates to the compound of formula (I), also known as 17.beta.-N-(2,5-bis(Trifluoromethyl))phenylcarbamoyl-4-aza-5.alpha.-androst-1-en-3-one, solvates thereof, its preparation, intermediates used in its preparation, pharmaceutical formulations thereof and its use in the treatment of androgen responsive and mediated diseases.
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