3-(Bromomethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-(Bromomethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-(Bromomethyl)-3-(difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine