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