| abstract |
Disclosed is a compound which can enhance the production of erythropoietin. Specifically disclosed is a compound represented by formula (1) [wherein, R represents a group represented by formula (1A) (wherein, R an R independently represent H, a halogen atom, or an alkyl group; R represents H, a halogen atom, an alkyl group, or the like; R represents an optionally substituted hydroxyalkyl group, an optionally substituted hydroxyhalogenoalkyl group, an optionally substituted alkoxyalkyl group, or the like; the group of substituents α includes an oxo group, a hydroxy group, an amino group, and the like; the ring Q represents a monocyclic heteroring group; the ring Q represents a monocyclic hydrocarbon ring group, or a monocyclic heteroring group; the ring Q represents a monocyclic hydrocarbon ring group, or a monocyclic heteroring group; and X represents a single bond, a methylene group, an ethylene group, or the like]; R represents an alkyl group, or a methylsulfanyl group; and R represents H, or a methyl group], or the like. |