- 3-[Benz(ox/thi)azol-7-yl]-1h-pyrimidine-2,4-diones
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The invention relates to herbicidally effective 3-{benz(ox/thi)azol-7-yl}-1H-pyrimidine-2,4-diones of formula (I) wherein X=oxygen or sulphur, Y=oxygen or sulphur; Z=chemical bond, C1-C4-alkylene, O, S, SO, SO2; R1/s
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