2-Bromo-4-cyano-3-(trifluoromethoxy)pyridine-5-sulfonamide
5-Bromo-4-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine
4-Bromo-5-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-3-acetic acid
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