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