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