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