| 摘要 |
A pyridonesulfonylurea compound of the formula (I) or its salt; wherein Q is (see formula) or (see formula), R1 is a hydrogen atom, an alkyl group which may be substituted, an alkenyl group which may be substituted, an alkynyl group which may be substituted, an alkoxycarbonyl group, an alkylsulfonyl, an alkoxycarbonyl group, an alkylsulfonyl group, each of R2, R3 and R4 which are independent of one another, is a hydrogen atom or an alkyl group, each of X and Y which are independent of each other, is a halogen atom, an alkyl group, a haloalkyl group, an alkoxy group, a haloalkoxy group, a monoalky lamino group or a dialkylamino group, and A is CH or N.
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