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