2-Amino-3-bromo-4-(bromomethyl)-5-(difluoromethyl)pyridine
3-Amino-6-(difluoromethyl)-2,4-diiodopyridine
4-Amino-2-bromo-3-(difluoromethyl)-5-nitropyridine
5-Amino-2-(aminomethyl)-3-bromo-4-(difluoromethyl)pyridine
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