| 摘要 |
<p>A compound of formula (I) or a salt thereof, or a solvate thereof, wherein: X represents oxygen, sulphur, or NRb; Y and Z each independently represent nitrogen, CH, CR1 or CR2; A represents an unsubstituted or substituted aryl group or an unsubstituted or substituted heterocyclyl group; Ra represents -C(O)NRsRt; R1 and R2 each independently represents hydrogen or specific substituents; and the use of such a compound in the treatment and/or prophylaxis of diseases associated with over activity of osteoclasts in mammals.</p> |
