5-(Difluoromethyl)-3-fluoro-2-(fluoromethyl)pyridine
2-(Difluoromethyl)-4-fluoro-6-(fluoromethyl)pyridine
5-(Chloromethyl)-4-(difluoromethyl)-2-fluoropyridine
6-(Chloromethyl)-3-(difluoromethyl)-2-fluoropyridine
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