2-(Difluoromethoxy)-3-methyl-5-(2,3,4-trichlorophenyl)pyridine
4-(Difluoromethoxy)-3-fluoro-5-(3,4,5-trichlorophenyl)pyridine
4-(Difluoromethoxy)-3-fluoro-5-(2,4,6-trichlorophenyl)pyridine
4-(Difluoromethoxy)-3-fluoro-5-(2,3,4-trichlorophenyl)pyridine