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