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