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