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