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