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