PROBLEM TO BE SOLVED: To provide a novel herbicide having a significant herbicidal activity on undesirable plants.SOLUTION: There is provided a compound represented by the general formula (I). [In formula (I), R1 represents a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C3-6 cycloalkyl group, a C1-6 haloalkyl group or the like R2 represents a hydrogen atom, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C3-6 cycloalkyl group, a C1-6 haloalkyl group, a C2-6 haloalkenyl group, a C2-6 haloalkynyl group, a C3-6 halocycloalkyl group or the like R3 represents a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C3-6 cycloalkyl group, a C1-6 haloalkyl group or the like and R4 represents a hydrogen atom, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C3-8 cycloalkyl group, a C1-6 haloalkyl group, a C2-6 haloalkenyl group or the like.]SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】望ましくない植物への著しい除草活性を示す新規な除草剤の提供。【解決手段】一般式(I)の化合物:〔式(I)中、R1はC1‐6アルキル、C2‐6アルケニル、C2‐6アルキニル、C3‐6シクロアルキル、C1‐6ハロアルキルなどであり;R2は水素原子、C1‐6アルキル、C2‐6アルケニル、C2‐6アルキニル、C3‐6シクロアルキル、C1‐6ハロアルキル、C2‐6ハロアルケニル、C2‐6ハロアルキニル、C3‐6ハロシクロアルキルなどであり;R3はC1‐6アルキル、C2‐6アルケニル、C2‐6アルキニル、C3‐6シクロアルキル、C1‐6ハロアルキルなどであり;R4は水素原子、C1‐6アルキル、C2‐6アルケニル、C2‐6アルキニル、C3‐8シクロアルキル、C1‐6ハロアルキル、C2‐6ハロアルケニルなどである〕【選択図】なし
