3-Bromo-2,6-difluoro-4-(difluoromethyl)pyridine
2-Bromo-3,6-difluoro-4-(difluoromethyl)pyridine
4-Bromo-2,5-difluoro-3-(difluoromethyl)pyridine
4,6-Dibromo-3-(difluoromethyl)-2-fluoropyridine
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