Tudor GRECU,Jason Grant KETTLE,Martin John PACKER,Stuart Eric PEARSON,James Michael SMITH
申请号:
US16608212
公开号:
US20200223828A1
申请日:
2018.04.26
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The invention concerns compounds of Formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, R3 and R4 have any of the meanings hereinbefore defined in the description; process for their preparation, pharmaceutical compositions containing them and their use in treating KIT mediated diseases.