Patent ID: 7612105

Claim:
A compound represented by formula (I): wherein R is a C 2 -C 6 alkyl group which may be mono- or poly-substituted by halogen atoms or cyano groups, a C 2 -C 6 alkenyl group which maybe mono- or poly-substituted by halogen atoms or cyano groups, a C 2 -C 6 alkynyl group which may be mono- or poly-substituted by halogen atoms or cyano groups, a C 3 -C 6 cycloalkyl group which may be mono- or poly-substituted by halogen atoms or cyano groups or a C 4 -C 9 cycloalkylalkyl group, which may be mono- or poly-substituted by halogen atoms or cyano groups, and n is an integer of from 0 to 2; Ar is a group represented by formula (Ar-1): wherein Q 1 , Q 2 , Q 3 , Q 4 and Q 5 are, respectively, a nitrogen atom or C-A 1 , a nitrogen atom or C-A 2 , a nitrogen atom or C-A 3 , a nitrogen atom or C-A 4 , and a nitrogen atom or C-A 5 , with the proviso that one of Q 1 -Q 5 is a nitrogen atom, and A 1 , A 5 , and B 0 are selected from the group consisting of a hydrogen atom, a halogen atom, an amino group, a cyano group, a nitro group, a C 1 -C 6 alkyl group, a C 1 -C 4 haloalkyl group, a C 1 -C 6 alkylthio group, which may be mono- or poly-substituted by halogen atoms, or a C 1 -C 6 alkoxy group; and A 2 , A 3 , A 4 , B 1 , B 2 and B 3 are selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a nitro group, a C 1 -C 6 alkyl group, which may be mono- or poly-substituted by halogen atoms, hydroxyl groups, cyano groups, C 2 -C 7 alkoxycarbonyl groups or C 1 -C 6 alkoxy groups, a C 2 -C 6 alkenyl group, which may be mono- or poly-substituted by halogen atoms or cyano groups, a C 2 -C 6 alkynyl group, which may be mono- or poly-substituted by halogen atoms or cyano groups, a C 1 -C 6 alkoxy group, which may be mono- or poly-substituted by halogen atoms, cyano groups, C 2 -C 5 alkoxycarbonyl groups or C 1 -C 3 alkoxy groups, a C 1 -C 6 alkylthio group, which may be mono- or poly-substituted by halogen atoms or C 1 -C 3 alkoxy groups, a C 1 -C 6 alkylsulfinyl group, which may be mono- or poly-substituted by halogen atoms or C 1 -C 3 alkoxy groups, a C 1 -C 6 alkylsulfonyl group which may be mono- or poly-substituted by halogen atoms or C 1 -C 3 alkoxy groups, a C 1 -C 7 acyl group, a C 2 -C 5 haloalkylcarbonyl group, a carboxyl group, and a C 2 -C 7 alkoxycarbonyl group or NR 1 R 2 , wherein R 1 and R 2 are independently a hydrogen atom, a C 1 -C 6 alkyl group which may be mono- or poly-substituted by halogen atoms, cyano groups, hydroxyl groups, C 1 -C 6 alkoxy groups or C 1 -C 6 alkylthio groups, a C 2 -C 6 alkenyl group, which may be mono- or poly-substituted by halogen atoms or cyano groups, a C 2 -C 6 alkynyl group, which may be mono- or poly-substituted by halogen atoms or cyano groups, a C 1 -C 7 acyl group, or a C 2 -C 7 alkoxycarbonyl group, or may form a 5 to 6-membered ring together with the nitrogen atom attached thereto.