Patent AT-E401316-T1: [Translated] 1,2,4-THIADIAZOLE COMPOUNDS AND THEIR APPLICATION

1,2,4-Thiadiazole compounds represented by the formula (1) have excellent control activities against harmful arthropods: <CHEM> wherein R<1> represents C3-C7 alkynyl group optionally substituted one or more halogen atom(s); R<2> a represents a halogen atom, a C1-C4 alkyl group, a C1-C4 haloalkyl group, a C1-C4 alkoxy group, a C1-C4 haloalkoxy group, a C1-C4 alkylthio group, a cyano group, or a nitro group, and n is an integer of 0 to 5, provided that, when n is an integer of 2 or more, respective R<2>s may be the same or different; A represents an oxygen atom, a sulfur atom, a single bond, a CR<3>R<4> group, or NR<5>; R<3> and R<4> represent each independently a hydrogen atom or a C1-4 alkyl group; and R<5> represent a hydrogen and the like.