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