2-Fluoro-3-(difluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
5-Fluoro-2-hydroxy-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-Fluoro-3-hydroxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-Fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde