| 摘要 |
The present invention provides a compound which enhances the production of erythropoietin. The present invention provides a compound represented by formula (1):
[wherein, R 1 : formula (1A) :
[wherein, R 4 and R 5 : H, halogen, or alkyl; R 6 : H, halogen, alkyl, or the like; R 7 : substitutable hydroxyalkyl, substitutable hydroxyhalo alkyl, substitutable alkoxyalkyl, or the like; substituent group ±: oxo, hydroxy, amino, or the like; ring Q 1 : a monocyclic heterocyclic group; ring Q 2 : a monocyclic hydrocarbon ring group, or a monocyclic heterocyclic group; ring Q 3 : a monocyclic hydrocarbon ring group, or a monocyclic heterocyclic group; X: a single bond, methylene, ethylene, or the like]; R 2 : alkyl, or methylsulfanyl; and R 3 : H, or methyl], or the like. |
