| abstract |
Disclosed is a compound represented by general formula (1) or a pharmacologically acceptable salt thereof, which is capable of promoting the production of erythropoietin. [In formula (1), R 1 represents a group represented by –X-Q 1 , -X-Q 1 -Y-Q 2 or –X-Q 1 -Y-Q 2 -Z-Q 3 ; X represents a single bond, -CH 2 - or the like; Q 1 represents a monocyclic or bicyclic hydrocarbon group which may have a substituent; Y represents a single bond, -CH 2 - or the like; Q 2 represents a monocyclic or bicyclic hydrocarbon ring group which may have a substituent or the like; Z represents a single bond or the like; Q 3 represents a phenyl group which may have a substituent or the like; R 2 represents a C 1 -C 3 alkyl group or the like; and R 3 represents a hydrogen atom or the like.] |