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