4-Hydroxy-6-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-(Bromomethyl)-3-hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-carboxaldehyde