Methyl 3-(difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-6-carboxylate
3-(Chloromethyl)-5-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine
3-Hydroxy-5-iodo-2-methyl-4-(trifluoromethoxy)pyridine