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