2-Bromo-4-chloro-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine
2-Bromo-3-hydroxy-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Bromo-3-chloro-4-(fluoromethyl)-6-(trifluoromethoxy)pyridine
3-Bromo-6-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonamide