2-Amino-5-(bromomethyl)-6-(difluoromethyl)pyridine-3-acetonitrile
6-Amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-2-acetonitrile
3-Amino-5-(aminomethyl)-6-(difluoromethyl)pyridine-2-acetic acid
2-Amino-5-(bromomethyl)-4-(difluoromethyl)pyridine-3-acetonitrile