A compound represented by the formula (I) or a pharmacologically acceptable salt thereof is used as an activator of PPAR. wherein each of R 1 and R 2 is hydrogen, C 1-8 alkyl, C 1-8 alkyl substituted with halogen, or the like； each of R 3 , R 4 , R 5 , and R 6 is hydrogen, C 1-8 alkyl, or the like； X is sulfur or the like； Y is oxygen, a bond, or the like； p is 0 or 1； A is oxygen, CH 2 , N-NH 2 , or the like； when p is 1, B is phenyl, which can have a substituent； when p is 0, B is a condensed ring such as benzisoxazole, which can have a substituent； m is an integer of 1 to 4； and n is an integer of 0 to 5.
