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