Methyl 2-bromo-5-(chloromethyl)-3-(difluoromethyl)pyridine-6-carboxylate
5-Bromo-2-(chloromethyl)-3-(difluoromethyl)pyridine-6-carboxylic acid
2-Bromo-3-(bromomethyl)-5-(difluoromethyl)-4-nitropyridine
5-(Aminomethyl)-3-bromo-2-(difluoromethyl)-4-nitropyridine