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