2-Amino-3-(chloromethyl)-4-(difluoromethyl)pyridine-6-methanol
5-Amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-6-acetonitrile
4-Amino-2-(chloromethyl)-3-(difluoromethyl)pyridine-6-acetonitrile
3-Amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-6-acetonitrile