2-Bromo-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Bromo-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Bromo-4-(chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine