12Provided is a compound useful as an AMPK activator. A compound represented by formula (I) a pharmaceutically acceptable salt thereof or a solvate of the same. In formula (I) the moiety represented by (II) is (III) Rs independently represent halogen hydroxy cyano nitro carboxy substituted or unsubstituted alkyl substituted or unsubstituted alkenyl or the like m is an integer of 0 3 R represents hydrogen or substituted or unsubstituted alkyl X represents O and Y represents substituted or unsubstituted aryl or substituted or unsubstituted heteroaryl.