Patent ID: 7732442

Claim:
A compound represented by formula (I-1) or (I-4): wherein R 1 is selected from the group consisting of halogen atom and methyl which may be substituted by 1 to 3 of halogen atom(s); m is an integer from 0 to 2; ring A is a benzene ring, a pyridine ring, a 3,4-dihydro-2H-1,4-benzoxaxazine ring, a 1,2,3,4-tetrahydro-1,8-naphthyridine ring, a quinoline ring, a 1,2,3,4-tetrahydroisoquinoline ring, a pyrazole ring or a thiazole ring which may be substituted by one to three substituent(s) selected from the group consisting of chlorine atom, methoxy, 2-(dimethylamino)ethoxy, piperidin-4-ylmethoxy, 1-methylpiperidin-4-ylmethoxy, methyl, t-butoxycarbonyl and phenyl; ring B is a benzene ring which may be substituted by one or two substituent(s) selected from the group consisting of halogen atom and methyl which may be substituted by 1 to 3 of halogen atom(s), or a pharmaceutically acceptable salt thereof.