4-(Difluoromethyl)-5-nitropyridine-2-carboxaldehyde
4-(Difluoromethyl)-2-nitropyridine-6-carboxaldehyde
2-(Difluoromethyl)-6-nitropyridine-3-acetic acid
5-(Difluoromethyl)-3-nitropyridine-2-carboxaldehyde
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