2-Cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile
2-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetonitrile
3-Cyano-4-(fluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
3-Cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxaldehyde