Methyl 3-chloro-6-(difluoromethyl)-2-iodopyridine-4-carboxylate
3-Chloro-2-(difluoromethyl)-6-fluoropyridine-5-acetic acid
Methyl 4-(bromomethyl)-6-chloro-2-(difluoromethyl)pyridine-3-carboxylate
2-Chloro-3-(difluoromethyl)-5-fluoropyridine-4-acetic acid