Patent ID: 8044236

Claim:
A compound represented by the following general formula (I) or a salt thereof: wherein R 1 represents a C 6-10 aryl group substituted with a group or groups selected from a halogen atom, a nitro group, a C 1-6 alkyl group, a halogenated C 1-6 alkyl group, a C 1-6 alkoxy group, a halogenated C 1-6 alkoxy group, a C 1-6 alkylenedioxy group, a C 1-6 alkylsulfanyl group, a carboxy group, and an amino group, R 2 represents a C 6-10 aryl group substituted with a group or groups selected from a halogen atom, a nitro group, a C 1-6 alkyl group, a halogenated C 1-6 alkyl group, a C 1-6 alkoxy group, a halogenated C 1-6 alkoxy group, a phenyl group, and a carboxy group, X represents —CH 2 —, —CH 2 CH 2 —, —CH═CH— or —N(R 3 )—C(═O)— wherein the nitrogen atom binds to the benzene ring and the carbon atom binds to Y, and R 3 represents hydrogen atom, a C 1-4 alkyl group or a C 7-12 aralkyl group, Y represents a carboxy group or a 1H-tetrazol-5-yl group, and m represents 0 or 1.