| 摘要 |
A benzoylurea derivative represented by the formula, <CHEM> wherein R1 is a hydrogen atom or a fluorine atom, R2 is a trifluoromethyl group, a pentafluoroethyl group or a heptafluoropropyl group, and R3 is a hydrogen atom, a fluorine atom or a chlorine atom, has insecticidal activity and may be formulated into insecticidal compositions. It can be prepared by reaction of a benzoyl isocyanate or benzamide compound providing the benzoyl residue with an aniline or isocyanate compound respectively providing the aniline residue. |
