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