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