| abstract |
Provided as a dietary regulator useful as a therapeutic, preventive or ameliorating agent for diabetic diseases and the like is a compound represented by the following formula (1) or a prodrug thereof, or a pharmaceutically acceptable salt thereof. [Wherein, R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom, an optionally substituted alkyl, or the like. R 5 represents aryl or the like which may be substituted. X represents a nitrogen atom or the like. W 1 is the formula (2): Etc. n represents 0, 1, 2 or 3, and m represents 0, 1, 2 or 3. R 7 and R 8 each independently represent a hydrogen atom or the like. R 9 and R 10 each independently represents an optionally substituted alkyl or the like. ] |