| abstract |
(57) [Object] To develop an insecticide having an extremely excellent insecticidal activity against various harmful insects and having a novel molecular structure. SOLUTION: General formula (I) [Wherein, R 1 is a hydrogen atom, an alkyl group, etc., R 2 and R 3 Are the same or different, and together with an alkyl group or the like or a carbon atom to which they are bonded, a 5- to 7-membered ring or the like, R 4 is a hydrogen atom, an alkylcarbonyl group or the like, Represents an alkyl group or the like, n represents an integer of 1 to 5, and X represents an oxygen atom, a sulfur atom, a sulfinyl group or a sulfonyl group. ] The N-substituted dihydropyrrole derivative represented by these, or its salt. |