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