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