3-Bromo-2-hydroxy-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 3-bromo-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
3-Bromo-6-hydroxy-2-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 2-bromo-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate