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