3-Amino-5-(chloromethyl)-4-(difluoromethyl)pyridine-2-acetonitrile
3-Amino-2-(aminomethyl)-6-(difluoromethyl)pyridine-5-acetonitrile
6-Amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-4-acetonitrile
Ethyl 3-amino-2-(bromomethyl)-4-(difluoromethyl)pyridine-5-carboxylate