US Patent 7078422 Activator for peroxisome proliferator-activated receptor

A phenylacetic acid derivative represented by the general formula (II) (wherein R11 and R12 each represents hydrogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkyl substituted by one to three halogen atoms, an optionally substituted phenyl, naphthyl, pyridyl, thienyl, or furyl group, etc.; X1 and Z1 each represents —C(═O)—, —C(═O)NH, —NHC(═O)—, —CH═CH—, a bond, etc.; and Y1 represents a C1-8 alkylene chain) or a salt of the derivative; and a PPARδ activator which contains the derivative or salt as the active ingredient