5-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-4-acetic acid
Ethyl 2-(chloromethyl)-5-(difluoromethyl)-4-iodopyridine-3-acetate
Ethyl 2-(chloromethyl)-3-(difluoromethyl)-6-iodopyridine-5-acetate
4-(Difluoromethyl)-6-iodo-3-nitropyridine-2-acetic acid