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