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