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