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