| 摘要 |
Described are compounds of the formula <IMAGE> wherein R is hydrogen or loweralkyl, X, Y and W independently of one another denote hydrogen, halogen, loweralkyl, nitro, amino, amido, loweralkoxy, hydroxy, nitrile, methylsulfone, methylsulfoxide, methylmercapto, or trifluoromethyl; Z is oxygen, sulfur or -CH2; n and m are each an integer from 0 to 6 inclusive, or pharmaceutically acceptable salts thereof. The compounds are effective as anti-inflammatory agents.
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