A compound represented by the following formulaUn compound represented by the following formula (1): (wherein R1 represents a C1-C6 (1): (wherein R1 represents an alkyl group C1-C6, a C2-C6 alkenyl group, a group halogenoalkyl a C2-C6 alkenyl group, C1-C6 haloalkyl group, a C3-C6 cycloalkyl group which may teno C1-C6 alkyl, a C6 C3-cycloalkyl group which may have a substituent selected from atoms haer a substituent selected from halogen atoms, C1-C6 alkyl, C1-C6 alkoxy, cyano, nitro, logeno, C1-C6 alkyl, C1-C6 alkoxy, cyano, nitro, amino, hydroxyl, and carboxyl groups, a ariamino, hydroxyl, and groups carboxyl, a C6-C20 aryl group which may have 1 to 3 substituents only C6-C20 which may have 1 to 3 substituents selected from halogen atoms, C1-eleccionados from halogen atoms, C1-C6 alkyl, C1- C6 alkoxy, cyano, nitro, amino, hydroxyl, Yc6, C1-C6 alkoxy, cyano, nitro, amino, hydroxyl, and carboxyl groups, a C3-C5 heteroaryl group carboxyl groups, a C3-C5 heteroaryl group may have a substituent group selected entpuede have a substituent group selected from halogen atoms, C1-C6alkyl, C1-C6alkoxy, re halogen atoms , C1-C6alkyl, C1-C6alkoxy, cyano, nitro, amino, hydroxyl, and cyano carboxyl, nitro, amino, hydroxyl, and carboxyl groups, a C1-C6 group, or an alkylamino group Co, a C1 C6 alkyl, or C1-C6 alkylamino group R2 represents. 1-C6 R2 represents.Un compuesto representado por la siguiente formulaUn compuesto representado por la siguiente formula (1): (donde R1 representa un grupo alquilo C1-C6, (1): (donde R1 representa un grupo alquilo C1-C6, un grupo alquenilo C2-C6, un grupo halogenoalquil un grupo alquenilo C2-C6, un grupo halogenoalquilo C1-C6, un grupo cicloalquilo C3-C6 que puede teno C1-C6, un grupo cicloalquilo C3-C6 que puede tener un sustituyente seleccionado entre atomos de haer un sustituyente seleccionado entre atomos de halogeno, alquilo C1-C6,alcoxi C1-C6, ciano, nitro, logeno, alquilo C1-C6,alcoxi C1-C6, ciano, nitro, amino, hidroxilo, y grupos carboxi