3-(Aminomethyl)-5-bromo-2-(difluoromethyl)pyridine-4-carboxaldehyde
3-(Aminomethyl)-4-bromo-6-(difluoromethyl)pyridine-2-carboxaldehyde
Methyl 2-bromo-4-(difluoromethyl)-3-nitropyridine-6-carboxylate
Methyl 2-bromo-3-(difluoromethyl)-6-nitropyridine-5-carboxylate