Ethyl 4-(bromomethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-acetate
4-(Chloromethyl)-6-hydroxy-2-nitro-3-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-hydroxy-5-methoxy-6-(trifluoromethoxy)pyridine
2-(Chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-acetonitrile