3-Fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 2-(difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-4-acetate
3-Fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-Fluoro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-acetonitrile