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