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