Methyl 5-bromo-4-chloro-2-(difluoromethyl)pyridine-3-carboxylate
6-Bromo-2-chloro-4-(difluoromethyl)-3-fluoropyridine
3-Bromo-4-chloro-6-(difluoromethyl)-2-fluoropyridine
3-Bromo-4-chloro-2-(difluoromethyl)-6-fluoropyridine
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