4-(Chloromethyl)-2,3-difluoro-6-(difluoromethyl)pyridine
6-(Bromomethyl)-3,4-difluoro-2-(difluoromethyl)pyridine
2-(Bromomethyl)-3,4-difluoro-6-(difluoromethyl)pyridine
6-(Bromomethyl)-2,3-difluoro-4-(difluoromethyl)pyridine
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