Methyl 5-(bromomethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-(bromomethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 4-(bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate