MODULATOR OF a1GABAA RECEPTOR OR a5GABAA RECEPTOR

摘要

Disclosed are: an a1GABAA receptor modulator or an a5GABAA receptor modulator comprising, as an active ingredient, a pyridopyrimidone derivative represented by general formula (I) [wherein R1 represents a hydrogen atom, a lower alkyl which may have a substituent, or the like; R2 represents a lower alkyl which may have a substituent, or the like; R3 represents -NR6R7 (wherein R6 represents a hydrogen atom, or the like; and R7 represents a hydrogen atom, a lower alkyl which may have a substituent, or the like), or the like; and R4 and R5 independently represent a halogen, a lower alkyl which may have a substituent, or the like] or a pharmaceutically acceptable salt thereof; and others.