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
4-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-2-sulfonamide