3-Bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-3-sulfonamide
3-Bromo-5-fluoro-2-methyl-6-(trifluoromethoxy)pyridine
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