4-Bromo-6-chloro-2-(difluoromethyl)-3-fluoropyridine
5-Bromo-4-chloro-2-(difluoromethyl)-3-iodopyridine
4-Bromo-6-chloro-3-(difluoromethyl)-2-iodopyridine
4-Bromo-2-chloro-5-(difluoromethyl)-3-fluoropyridine
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