Ethyl 2-(bromomethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-6-acetate
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