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