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