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