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