4-Bromo-3-chloro-5-(difluoromethyl)-2-iodopyridine
4-Bromo-2-chloro-5-(difluoromethyl)-3-iodopyridine
5-Bromo-3-chloro-2-(difluoromethyl)-4-iodopyridine
4-Bromo-5-cyano-3-(difluoromethyl)-2-fluoropyridine
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