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