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