4-(Bromomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
Ethyl 4-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine-2-carboxylate
4-(Bromomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Bromomethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde