A fused heterocycle derivative represented by the general formula (I):
(wherein R
1
represents optionally substituted lower alkyl, or the like; R
2
represents an optionally substituted aliphatic heterocyclic group, or the like; R
3
represents —C(=Z)NR
5
R
6
(wherein R
5
and R
6
represent optionally substituted lower alkyl, or the like, and Z represents an oxygen atom or the like), or the like; n represents an integer of 1 to 3; and W represents C—R
5
(wherein R
5
represents a hydrogen atom or the like)) or a pharmaceutically acceptable salt thereof, and the like are provided.
A fused heterocycle derivative represented by the general formula (I):
(wherein R1 represents optionally substituted lower alkyl, or the like; R2 represents an optionally substituted aliphatic heterocyclic group, or the like; R3 represents -C(=Z)NR5R6 (wherein R5 and R6 represent optionally substituted lower alkyl, or the like, and Z represents an oxygen atom or the like), or the like; n represents an integer of 1 to 3; and W represents C-R5 (wherein R5 represents a hydrogen atom or the like)) or a pharmaceutically acceptable salt thereof, and the like are provided.