2-(Bromomethyl)-3,5-difluoro-4-(difluoromethyl)pyridine
3,5-Dichloro-2-(difluoromethyl)-4-fluoropyridine
5-(Bromomethyl)-3,4-difluoro-2-(difluoromethyl)pyridine
3,4-Dichloro-5-(difluoromethyl)-2-fluoropyridine
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