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