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