2-Bromo-3-chloro-4-(trifluoromethoxy)pyridine-6-sulfonamide
4-Bromo-6-chloro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Bromo-3-chloro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-Bromo-2-chloro-3-(trifluoromethoxy)pyridine-5-carboxylic acid