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