Patent ID: 8129366

Claim:
A compound represented by the following formula (I): wherein R 1 represents a hydrogen atom or a lower alkyl group; R 2 represents a hydrogen atom, a halogen atom, a lower alkoxy group, or a benzyloxy group which may be substituted with one or a plurality of substituents; Q represents a monocyclic or bicyclic nitrogen-containing heterocyclic group which may be substituted with one or a plurality of substituents, and has a nitrogen atom as the bonding site; Y represents an oxygen atom or CH 2 ; W represents a bicyclic aromatic hydrocarbon ring group which may be substituted with one or a plurality of substituents, or a bicyclic aromatic heterocyclic group which may be substituted with one or a plurality of substituents; R 3a , R 3b and R 3c each independently represent a hydrogen atom, a halogen atom, a lower alkoxy group or a lower alkyl group; and A 1 represents a nitrogen atom or C—R 3d (wherein R 3d represents a hydrogen atom, a halogen atom, a lower alkoxy group or a lower alkyl group), or a salt thereof.