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