| 摘要 |
A method of treating or preventing degeneration of articular cartilage or subchondral bone by administering a compound of formula (I), wherein R2 is -[C(X)(Y)]n-C(=O)-A; A is hydroxy, alkoxy, amino, hydroxy-amino, alkylamino, X and Y are independently hydrogen or alkyl, n is 1 or 2; R6 is halogen, alkyl, trifluoromethyl or nitro; R9 is hydrogen, alkyl, optionally substituted phenyl or phenyl-alkyl.
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