5-Hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Aminomethyl)-3-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
3-Hydroxy-5-methyl-2-(trifluoromethoxy)pyridine-6-carbonyl chloride