申请人:Wu Frank
公开号:US20140128331A1
公开(公告)日:2014-05-08
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.
本发明涉及一种由一般式(I)表示的化合物、其衍生物以及其用途:其中R1、R2、R3、R4、R5a、R5b、R5c和X的定义如描述中所述。