4-(Aminomethyl)-2,3-difluoro-6-(difluoromethyl)pyridine
3,6-Dichloro-4-(difluoromethyl)-2-fluoropyridine
3,4-Dibromo-5-(difluoromethyl)-2-fluoropyridine
2,4-Difluoro-3-(difluoromethyl)-6-nitropyridine
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