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