3-(Aminomethyl)-2,5-difluoro-6-(difluoromethyl)pyridine
3-(Chloromethyl)-2,4-difluoro-5-(difluoromethyl)pyridine
6-(Chloromethyl)-2,3-difluoro-4-(difluoromethyl)pyridine
2-(Aminomethyl)-4,6-difluoro-3-(difluoromethyl)pyridine
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