3-(Bromomethyl)-6-chloro-4-hydroxy-2-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-chloro-4-fluoro-2-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-chloro-3-hydroxy-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-chloro-2-fluoro-6-(trifluoromethoxy)pyridine