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