2,3-Difluoro-5-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-(Bromomethyl)-4,6-difluoro-2-(difluoromethyl)pyridine
3-(Bromomethyl)-2,4-difluoro-6-(difluoromethyl)pyridine
6-(Bromomethyl)-2,3-difluoro-5-(difluoromethyl)pyridine
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