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