Methyl 3-(aminomethyl)-2-bromo-5-(difluoromethyl)pyridine-6-acetate
5-Bromo-2-(bromomethyl)-3-(difluoromethyl)pyridine-4-acetic acid
Methyl 3-(aminomethyl)-2-bromo-4-(difluoromethyl)pyridine-6-acetate
4-Bromo-3-(bromomethyl)-6-(difluoromethyl)pyridine-2-acetic acid