申请人:Takeda Pharmaceutical Company Limited
公开号:US20190031599A1
公开(公告)日:2019-01-31
The present invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof,
wherein R
1
, R
2
, R
3
, R
4a
and R
4b
are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.