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