3-(Difluoromethyl)-2-nitropyridine-5-carboxaldehyde
3-(Aminomethyl)-2-(difluoromethyl)-5-nitropyridine
6-(Bromomethyl)-3-(difluoromethyl)pyridine-2-carboxaldehyde
2-(Aminomethyl)-5-(difluoromethyl)-4-nitropyridine
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