申请人:MITSUBISHI TANABE PHARMA CORPORATION
                            
                            
                                公开号:US20160376289A1
                            
                            
                                公开(公告)日:2016-12-29
                            
                            The present invention provides a novel bicyclic or tricyclic heterocyclic compound represented by the formula (I)
wherein ring A is an optionally substituted aromatic group,
one of X
1
and X
2
is a carbon atom, and the other is a nitrogen atom,
X
3
is a nitrogen atom, or CR
2
,
X
4
is a nitrogen atom, or CR
3
,
X
5
is a sulfur atom, or —CH═CH—,
Z
1
is an oxygen atom, —C(R
6
)(R
7
)—, —NH—, —C(R
6
)(R
7
)—NH—, —NH—C(R
6
)(R
7
)—, —C(R
6
)(R
7
)—O—, —O—C(R
6
)(R
7
)—, or a single bond,
one of Z
2
and Z
3
is CH and the other is a nitrogen atom, or both are nitrogen atoms,
and other symbols are as defined in the DESCRIPTION, or a pharmacologically acceptable salt thereof.