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