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