| abstract |
(57) [Summary] General formula (I): [Wherein, R 1 is H, (C 1-12 ) alkyl, (C 3-7 ) cycloalkyl, carboxyl, or phenyl which may be substituted, and 5 to 6 members having one or more O, S, and N. R 2 is -C (= Z) -Y-, such as a heterocyclic group or a 5- to 6-membered heterocyclic (C 1-6 ) alkyl. R 3 , -A-R 7 (wherein Y is -O-, -S-, -NR 4 -, Z is O, S, A represents a single bond, O, S, R 3 and R 7 are optionally substituted phenyl, 5-6 membered heterocyclic group or 5-6 Membered heterocycle (C 1- 6) alkyl or the like. 1,2,3- A thiadiazole derivative, a pesticidal agent containing the compound as an active ingredient, and a method for using the same. [Effect] It has a controlling effect on plant parasitic insects or nematodes. |