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