4-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-3-sulfonamide
3-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-4-sulfonamide
2-Bromo-6-chloro-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-Bromo-6-chloro-3-(trifluoromethoxy)pyridine-5-sulfonamide
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