Patent ID: 8476266

Claim:
A compound represented by formula (I-a), wherein R 1 represents a hydrogen atom or C1-4 alkyl group, R 4 , R 5 and R 6 each independently represents a halogen atom, optionally oxidized C1-6 alkyl group, optionally protected hydroxyl group, trihalomethyl group, —SO 2 R 7 group, —SOR 7 group, or —SR 7 group, R 7 represents a C1-6 alkyl group or optionally substituted phenyl group, indicates that the bond is attached in front of the sheet, m represents 0 or an integer from 1 to 3, n represents 0 or an integer from 1 to 4, and i represents 0 or an integer from 1 to 7, with the proviso that when m is 2 or more, R 4 may be the same or different, when n is 2 or more, R 5 may be the same or different, and when i is 2 or more, R 6 may be the same or different, or a salt thereof, an N-oxide thereof or a hydrate thereof, and with the further proviso that the compound represented by formula (I-a) is not 1-(3-((2,6-dimethyl-4-(((2S)-4-methyl-3,4-dihydro-2H-1,4-benzoxazin-2-yl)methoxy)benzoyl)amino)-4-(trifluoromethyl)phenyl)cyclopropanecarboxylic acid, a salt thereof, or an N-oxide thereof.