| 摘要 |
A compound selected from the group consisting of a compound of the formula <IMAGE> I wherein R1 is hydrogen or alkyl of 1 to 3 carbon atoms, W is selected from the group consisting of -O-, -S-, -SO- and -SO2-, Z and Y are -CH- or one is -CH- and the other is -N-, R2, R3, R4, R5 and R6 are individually selected from the group consisting of hydrogen, halogen, methoxy, methylthio, alkyl of 1 to 4 carbon atoms, -WCF3, -CF3, -NO2, -CN-, -W-(CH2)n-CF3, -W-(CF2)n-CF3, -(CF2)n-CF3 and -(CH2)n-CX3, n is an integer from 1 to 3, X is a halogen or R3 and R4 together are -O-(CH2)-O- and R2, R5 and R6 are as defined above, R7 and R8 are individually hydrogen or alkyl of 1 to 6 carbon atoms, R9 is cycloalkyl of 3 to 6 carbon atoms and their non-toxic, pharmaceutically acceptable salts with bases.
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