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