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