Patent ID: 8877739

Claim:
A method for treating diabetes or obesity, comprising: administering to a subject in need thereof, an effective amount of a glutamic acid compound represented by formula (I): wherein R 1 , R 2 , R 3 , R 4 and R 5 each independently is selected from the group consisting of a hydrogen atom, a halogeno group, a hydroxyl group, a nitro group, an amino group, a C 1-6 alkyl group which may have a substituent(s), a C 1-6 alkoxy group which may have a substituent(s), a C 1-6 mono- or dialkylamino group which may have a substituent(s), a sulfo group, and a group: provided that either one of R 1 , R 2 and R 3 is selected from the group consisting of a nitro group, a sulfo group and a group: R 6 is a hydrogen atom, a hydroxyl group or a C 1-6 alkyl group which may have a substituent(s); R 7 is a hydrogen atom or a C 1-6 alkyl group which may have a substituent(s); X is a methylene group or an oxygen atom; and, E is a hydroxyl group, a C 1-6 alkoxy group which may have a substituent(s), a mercapto group which may have a substituent(s), or a group: wherein Z is selected from the group consisting of a divalent C 1-6 hydrocarbon group which may have a substituent(s), and E 2 is a hydrogen atom or a C 1-6 alkyl group; or a pharmaceutically acceptable salt thereof.