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