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