Ethyl 3-cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-acetate
2-Fluoro-5-hydroxy-4-(trifluoromethoxy)pyridine-3-sulfonamide
Ethyl 2-cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
3-Cyano-6-fluoro-2-(trifluoromethoxy)pyridine-5-acetonitrile