Ethyl 5-(aminomethyl)-2-(difluoromethyl)pyridine-3-carboxylate
4-(Difluoromethyl)-2-nitropyridine-5-carboxaldehyde
Ethyl 3-(aminomethyl)-5-(difluoromethyl)pyridine-2-carboxylate
3-(Difluoromethyl)-5-nitropyridine-4-carboxaldehyde
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