| 摘要 |
A compound of the formula I <IMAGE> (I) wherein A and C are independently H, alkyl of 1-6 carbon atoms, hydroxy, or alkoxy of 1-6 carbon atoms; B is hydroxy or alkoxy of 1-6 carbon atoms; and Y is cyano, <IMAGE> -C(NR1 R2)=C(CN)2; wherein X=O or S, and R1 and R2 are independently H, benzyl, -CH(CH3), C6H5 -(CH2)n C6H6, phenyl; -CO2R; n=2-4; R is lower alkyl of 1-6 carbon atoms is used for treating inflammation and immunological diseases.
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