| 摘要 |
The invention is a compound of Formula (I):whereinR is -OH,R<1 >is -OH,R<2 >is -H,n is 2 or 3 andX is sulfur, ora pharmaceutically acceptable salt of a compound having Formula (1), ora pharmaceutical composition comprising a compound having Formula (1) or a pharmaceutically acceptable salt thereof, ormethods of treating bone loss, breast cancer or prostate cancer comprising administering an effective amount of the compound having Formula (I) or a pharmaceutically acceptable salt thereof.
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