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