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3 - (2 - Tetrahydropyranyl) - 1,2,3,4 - tetra hydro pyrimidine - 2,4 - of dihydroxydiones, process for their preparation and pesticide compositions
3 - (2 - Tetrahydropyranyl) - 1,2,3,4 - tetra hydro pyrimidine - 2,4 - of dihydroxydiones, process for their preparation and pesticide compositions
