Patent ID: 7301033

Claim:
A benzoic acid derivative represented by the following formula (1): wherein A represents an oxygen atom; R represents a hydrogen atom, a C 1-8 alkyl group, a C 3-8 alkenyl group, a C 3-8 alkynyl group, a C 3-7 cycloalkyl group, a C 3-7 cycloalkyl-C 1-8 alkyl group, a C 6-10 aryl group, a C 6-10 aryl-C 1-8 alkyl group (wherein the C 6-10 aryl moiety may be substituted with one or two groups selected from a halogen atom, a hydroxy group, a nitro group, an amino group, a di-C 1-4 alkylamino group, a C 1-4 alkyl group, a C 1-4 alkoxy group, a benzyloxy group, a phenylsulfonylmethyl group, and a C 1-4 alkanesulfonyloxy group), a C 6-10 aryl-oxy-C 1-8 alkyl group (wherein the C 6-10 aryl moiety may be substituted with one or two groups selected from a halogen atom, a hydroxy group, a nitro group, an amino group, a di-C 1-4 alkylamino group, a C 1-4 alkyl group, a C 1-4 alkoxy group, a benzyloxy group, a phenylsulfonylmethyl group, and a C 1-4 alkanesulfonyloxy group), a pyridyl-C 1-8 alkyl group, a C 1-8 alkoxycarbonyl-C 1-8 alkyl group, or a carboxy-C 1-8 alkyl group; X represents an oxygen atom, an NH group, or an S(O) n group (wherein n represents an integer of 0, 1, or 2); and m represents an integer from 2 to 8; or a salt thereof.