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