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