申请人:XUANZHU PHARMA CO., LTD.
公开号:US20170101388A1
公开(公告)日:2017-04-13
The present invention involves a compound represented by general formula (I), a derivative thereof and a use thereof:
wherein R
1
, R
2
, R
3
, R
4
, R
5a
, R
5b
, R
5c
and X are defined as in the description.