Ethyl 2-(difluoromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 6-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylate
2-Fluoro-6-hydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Fluoro-3-hydroxy-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine