3-Chloro-4-hydroxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Chloro-6-iodo-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Chloro-6-iodo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
5-Chloro-3-iodo-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine