or a salt thereof. [0323] Of Compound (I), a compound wherein m is 1; R1 is 4-trifluoromethyl; R2 is a group represented by the formula: [0324] and R3 is a hydrogen atom, or a salt thereof is preferred. [0325] As specific examples of Compound (I???), there may be mentioned [0326] (i) 1-(4-{4-[(2-{(E)-2-[4-(trifluoromethyl)phenyl]ethenyl}-1,3-oxazol-4-yl)methoxy]phenyl)butyl)-1H-1,2,3-triazole, [03