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