Patent ID: 9499561
Filing Date: 2016-11-22
CPC Classification: A61P,C07D

Claim Text:
1. A fused pyrimidine compound represented by formula I, a pharmaceutically acceptable salt, hydrate, and solvate thereof, an optical isomer or a prodrug thereof, wherein: X is S or O; R R all of R A is N or CR D is N or CR E is N or CR G is N or CR A, D, E and G are not N at the same time; each of R R each of R R (CR wherein the alkyl, alkenyl, alkynyl, cycloalkyl, carbocycle, heterocycle, heterocycloalkyl, aryl, or heteroaryl is optionally substituted by a substituent selected from the group consisting of: halogen, —CN, —CF Y is O, S, or NR m and k are independently 0, 1, 2, 3, 4, 5 or 6.