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