Hitoshi Ban,Seiji Kamioka,Shoukou Ri,Tomoyuki Furuta,Hiroyuki Kitano,Chiang Jia Li
申请号：
US16233816
公开号：
US20190241583A1
申请日:
2018.12.27
申请国别(地区):
US
年份:
2019
代理人:
摘要：
This invention provides a compound represented by formula (1) or a pharmaceutically acceptable salt thereof. Specifically, the present invention provides a compound represented by formula (1) or a pharmaceutically acceptable salt thereof [Therein, A is O, S, or N—；R6； ring G is a 5-membered or 6-membered aromatic ring, etc., including 1-3 heteroatoms selected from O, S and N as constituent atoms； R1 and R2 are each independently a hydrogen atom, a halogen atom, or an optionally-substituted C1-6 alkyl carbonyl group, etc.； R3, R4 and R5 are each independently a hydrogen atom, a halogen atom, or an optionally-substituted C1-6 alkyl carbonyl group, etc.； and R6 is a hydrogen atom or an optionally-substituted C1-6 alkyl group, etc.].
