3-Amino-2-(chloromethyl)-4-(difluoromethyl)pyridine-5-acetonitrile
Methyl 2-amino-6-(chloromethyl)-3-(difluoromethyl)pyridine-5-acetate
6-Amino-2-(chloromethyl)-4-(difluoromethyl)pyridine-3-acetonitrile
Methyl 6-amino-3-(chloromethyl)-2-(difluoromethyl)pyridine-4-acetate