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