2-(Bromomethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Bromomethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-4-methanol
4-Methoxy-5-nitro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Methoxy-3-nitro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde