PROBLEM TO BE SOLVED: To provide a novel nematicide.SOLUTION: The invention provides a compound represented by general formula (I) in the figure or a salt thereof, and a nematicide containing the same as an active ingredient. (In the formula, R1 represents a linear or branched C3-C5 alkylthio group, linear or branched C3-C5 alkenylthio group, linear or branched C3-C5 alkylsulfonyl group, linear or branched C1-C5 alkylthiomethyl group, C1-C3 hydroxyalkyl group, hydroxymethyl group or hydroxy group, R2 represents a hydrogen atom or halogen atom, and R3 represents a hydrogen atom or C2-C3 hydroxyalkyl, provided that R3 is not a hydrogen atom if R1 is a hydroxy group.)SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】新規殺線虫剤を提供する。【解決手段】一般式(I):(式中、R1は直鎖又は分岐鎖のC3-C5アルキルチオ基、直鎖又は分岐鎖のC3-C5アルケニルチオ基、直鎖又は分岐鎖のC3-C5アルキルスルホニル基、直鎖又は分岐鎖のC1-C5アルキルチオメチル基、C1-C3ヒドロキシアルキル基、ヒドロキシメチル基又はヒドロキシ基(但し、R1がヒドロキシ基の場合、R3は水素原子を除く)を示し、R2は水素原子であるか又はハロゲン原子を示し、R3は水素原子であるか又はC2-C3ヒドロキシアルキルを示す。)で表される化合物又はその塩、及びそれを有効成分として含有する殺線虫剤。【選択図】なし