| 摘要 |
The present invention relates to novel pyrimidin-4-one derivatives of formula I, which have pesticidal activity, in particular fungicidal activity,whereinR1=C1-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, C3-C6cycloalkyl, each of which is unsubstituted or substituted by halogen;R2=OR5;R3 and R4 are each independently of the other hydrogen, halogen;R5 is C1-C6alkyl or C3-C6cycloalkyl each unsubstituted or halogen-substituted; andA=thienyl.
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