Methyl 3-(chloromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-(chloromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-(bromomethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-(bromomethyl)-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate