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