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