申请人:NIPPON SHINYAKU CO., LTD.
公开号:US20170143722A1
公开(公告)日:2017-05-25
The main purpose of the invention is to provide a novel aromatic heterocyclic derivative or a pharmaceutically acceptable salt thereof. Examples of the invention include aromatic heterocyclic derivatives represented by general formula [1] and pharmaceutically acceptable salts thereof.
In formula [1]: R
1
represents phenyl optionally substituted with one or two groups selected from the group consisting of halogens, as well as alkyls and alkoxys optionally substituted by halogens; R
2
represents hydrogen, an alkyl, cycloalkyl, or alkoxy optionally substituted by a halogen, or a heteroaryl optionally substituted by an alkyl; X represents CR
3
, and Y represents N or CR
4
, or X represents N, and Y represents CR
4
; and Z represents CR
5
or N.