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