4-Amino-6-(bromomethyl)-2-(difluoromethyl)pyridine-3-acetic acid
Methyl 3-amino-6-(bromomethyl)-2-(difluoromethyl)pyridine-5-carboxylate
4-Amino-2-(bromomethyl)-5-(difluoromethyl)pyridine-3-acetic acid
5-Amino-3-(bromomethyl)-2-(difluoromethyl)pyridine-4-acetic acid