2-Chloro-3-(difluoromethyl)-6-(fluoromethyl)pyridine
5-Chloro-4-(chloromethyl)-2-(difluoromethyl)pyridine
4-(Bromomethyl)-5-chloro-2-(difluoromethyl)pyridine
3-(Bromomethyl)-2-chloro-6-(difluoromethyl)pyridine
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