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