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