3-Chloro-6-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
5-Chloro-2-(chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
4-Chloro-5-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Chloro-3-(chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine