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