LI, DAXIONG,LI, HUIQIN,KE, HONG,FAN, XIAOBO,SUN, YI
申请号：
CA3008698
公开号：
CA3008698A1
申请日:
2016.12.19
申请国别(地区):
CA
年份:
2017
代理人:
摘要：
Disclosed are a compound as shown in formula I or formula II or a pharmaceutically acceptable salt thereof, wherein R1 is selected from pyrazinyl or substituted pyrazinyl； and R2 is selected from pyrazinyl or substituted pyrazinyl, phenyl or substituted phenyl, alkyl or substituted alkyl.
