Ethyl 2-(difluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-iodo-5-nitro-6-(trifluoromethoxy)pyridine-2-acetate
Ethyl 2-(difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 6-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate