| abstract |
New insecticidal or/and ovicidal benzoylurea derivatives of the formula: <IMAGE> wherein X1 is hydrogen or halogen; X2 is halogen; Y1, Y2 and Y3 are hydrogen, halogen or alkyl, whereby at least one of Y1, Y2 and Y3 is other than hydrogen; and R is hydrogen or a group represented by the formula -CFaZbH(3-a-b) wherein a and b are 0, 1, 2 or 3, with a+b</=3 and Z is halogen, their production and use. |