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