Fused heterocyclic compound

A fused heterocyclic compound represented by formula (H-2):

• wherein
• A1 represents a nitrogen atom or CR7,
• A2 represents a nitrogen atom,
• A4 represents CR10,
• R1 represents a C1 to C6 chain hydrocarbon group optionally substituted with one or more atoms or groups selected from group X or a C3 to C6 alicyclic hydrocarbon group optionally substituted with one or more atoms or groups selected from group Y,
• R3 and R7 represent a C1 to C6 chain hydrocarbon group optionally substituted with one or more atoms or groups selected from group X, a phenyl group optionally substituted with one or more atoms or groups selected from group Z, a 5- or 6-membered heterocyclic group optionally substituted with one or more atoms or groups selected from group Z, —OR19, —S(O)mR19, —S(O)2NR19R20, —NR19R20, —NR19CO2R20, —NR19C(O)R20, —CO2R19, —C(O)NR19R20, —SF5, a cyano group, a nitro group, a halogen atom or a hydrogen atom,
• R10 represents a C1 to C6 chain hydrocarbon group optionally substituted with one or more atoms or groups selected from group X, —OR23, —S(O)mR24, —S(O)2NR24R25, —NR24R25, —NR24CO2R25, —NR24C(O)R25, —CO2R23, —C(O)R24, —C(O)NR24R25, —SF5, a cyano group, a nitro group, a halogen atom or a hydrogen atom,
• R17 represents a C1 to C6 chain hydrocarbon group optionally substituted with one or more atoms or groups selected from group X, a phenyl group optionally substituted with one or more atoms or groups selected from group Z, a 5- or 6-membered heterocyclic group optionally substituted with one or more atoms or groups selected from group Z, —OR26, —S(O)mR26, —S(O)2NR26R27, —NR26R27, —NR26CO2R27, —NR28C(O)R29—CO2R26, —C(O)R26, —C(O)NR26R27, —SF5, a cyano group, a nitro group, a halogen atom or a hydrogen atom,
• R19, R20, R24, R25, R26 and R27 are the same or different and represent a C1 to C6 chain hydrocarbon group optionally substituted with one or more atoms or groups selected from group X or a hydrogen atom,
• R23, R28 and R29 are the same or different and represent a C1 to C6 chain hydrocarbon group optionally substituted with one or more atoms or groups selected from group X,
• each m independently represents 0, 1 or 2, and n represents 0, 1 or 2;
• wherein when m is 1 or 2 in —S(O)mR24, R24 does not represent a hydrogen atom, and when m is 1 or 2 in —S(O)mR26, R26 does not represent a hydrogen atom;
• group X is selected from the group consisting of C1 to C6 alkoxy groups optionally substituted with one or more halogen atoms, C2 to C6 alkenyloxy groups optionally substituted with one or more halogen atoms, C2 to C6 alkynyloxy groups optionally substituted with one or more halogen atoms, C1 to C6 alkylsulfanyl groups optionally substituted with one or more halogen atoms, C1 to C6 alkylsulfinyl groups optionally substituted with one or more halogen atoms, C1 to C6 alkylsulfonyl groups optionally substituted with one or more halogen atoms, C2 to C6 alkyl carbonyl groups optionally substituted with one or more halogen atoms, C2 to C6 alkoxycarbonyl groups optionally substituted with one or more halogen atoms, C3 to C6 cycloalkyl groups optionally substituted with one or more halogen atoms or one or more C1 to C3 alkyl groups, cyano groups, hydroxy groups, and halogen atoms,
• group Y is selected from the group consisting of C1 to C6 chain hydrocarbon groups optionally substituted with one or more halogen atoms, C1 to C6 alkoxy groups optionally substituted with one or more halogen atoms, C2 to C6 alkenyloxy groups optionally substituted with one or more halogen atoms, C2 to C6 alkynyloxy groups optionally substituted with one or more halogen atoms, and halogen atoms,
• group Z is selected from the group consisting of C1 to C6 chain hydrocarbon groups optionally substituted with one or more halogen atoms, C1 to C6 alkoxy groups optionally substituted with one or more halogen atoms, C1 to C6 alkylsulfanyl groups optionally substituted with one or more halogen atoms, C1 to C6 alkylsulfinyl groups optionally substituted with one or more halogen atoms, C1 to C6 alkylsulfonyl groups optionally substituted with one or more halogen atoms, C2 to C6 alkylcarbonyl groups optionally substituted with one or more halogen atoms, C2 to C6 alkoxycarbonyl groups optionally substituted with one or more halogen atoms, C1 to C6 alkylamino groups optionally substituted with one or more halogen atoms, C2 to C8 dialkylamino groups optionally substituted with one or more halogen atoms, halogen atoms, cyano groups, nitro groups, and SF5.