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