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