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