3-(Bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
Methyl 5-hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-hydroxy-5-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
4-Hydroxy-3-iodo-6-(trifluoromethoxy)pyridine-2-carbonyl chloride