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