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