| abstract |
The present invention provides a compound represented by formula (1), or a pharmaceutically acceptable salt thereof: [Wherein, A is C 6 -10 aryl represents alkylene; R 1a , R 1b and R 1c Each independently represents a hydrogen atom, a halogen atom, a C 1 -4 alkyl, C 1 -4 alkoxy group and the like; R 2 It is an optionally substituted C 6 -10 aryl group, an optionally substituted 5-12 that won monocyclic or polycyclic heteroaryl group, an optionally substituted C 7 -16 aralkyl the alkyl group and the like; m represents 0 or the like; n represents an integer of 0 to 2; |