2-Amino-3-(chloromethyl)-4-(difluoromethyl)-6-nitropyridine
4-Amino-3-(bromomethyl)-5-(difluoromethyl)-2-nitropyridine
2-Amino-4-(difluoromethyl)-5-nitropyridine-3-acetonitrile
3-Amino-6-(bromomethyl)-2-(difluoromethyl)-5-nitropyridine
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