Methyl 2-(chloromethyl)-3-(difluoromethyl)-6-fluoropyridine-5-carboxylate
4-(Chloromethyl)-3-(difluoromethyl)-5-fluoropyridine-2-carboxylic acid
4-(Chloromethyl)-6-(difluoromethyl)-2-hydroxy-3-iodopyridine
2-(Difluoromethyl)-3-hydroxy-4-iodopyridine-6-acetic acid