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