2-Bromo-3-iodo-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Bromo-5-cyano-6-(trifluoromethoxy)pyridine-2-sulfonamide
2-Bromo-5-(chloromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine
3-Bromo-5-cyano-2-(trifluoromethoxy)pyridine-6-sulfonamide
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