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