5-Chloro-2-(difluoromethoxy)-3-(3,4,5-trichlorophenyl)pyridine
5-Chloro-2-(difluoromethoxy)-3-(2,4,6-trichlorophenyl)pyridine
5-Chloro-2-(difluoromethoxy)-3-(2,3,4-trichlorophenyl)pyridine
3-Chloro-4-(difluoromethoxy)-5-(3,4,5-trichlorophenyl)pyridine