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