Patent ID: 8173631

Claim:
A compound represented by Formula (I) or a pharmaceutically acceptable salt thereof: wherein R 1 : a hydrogen atom, a hydroxy group, a halogen atom, a C1-C6 alkyl group, a C1-C6 alkoxy group, a halogeno C1-C6 alkyl group, a halogeno C1-C6 alkoxy group, or an aryl group, R 2a and R 2b : identical or different from each other, a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C1-C6 alkoxy group, a halogeno C1-C6 alkyl group, a halogeno C1-C6 alkoxy group, or a cyano group, R 3 : a C1-C6 alkyl group or a halogeno C1-C6 alkyl group, A: a single bond, a substituted phenylene group, or a vinylene group, B: a single bond, an oxygen atom, or a sulfur atom, Ar: an aryl group which is optionally substituted by a group selected from the group consisting of a halogen atom, a cyano group, a C1-C6 alkyl group, a C1-C6 alkoxy group, a halogeno C1-C6 alkyl group, and a halogeno C1-C6 alkoxy group, Z: —COOH, —SO 2 NHR Z , or a tetrazolyl group, R Z : a hydrogen atom or a C1-C6 alkyl group, m: 0, 1, 2, 3, 4, 5, or 6, and n: 0 or 1.