2-Bromo-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Chloro-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-methanol
5-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Chloro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde