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