申请人:UBE INDUSTRIES, LTD.
                            
                            
                                公开号:US20170313727A1
                            
                            
                                公开(公告)日:2017-11-02
                            
                            Provided is a compound represented by formula (I) or a pharmacologically acceptable salt thereof:
wherein L
1
is an optionally substituted C
1-6
alkylene group or the like, L
2
is a single bond or the like, L
3
is a single bond or the like, R
1
, R
2
, and R
3
are each independently an optionally substituted C
1-4
alkyl group or the like, R
4
is a hydrogen atom or the like, and R
5
is a hydrogen atom or the like.