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