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