4-Bromo-5-chloro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Bromo-3-fluoro-2-(trifluoromethoxy)pyridine-6-methanol
4-Bromo-2-chloro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Chloromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-6-carboxaldehyde