2-Bromo-3-(bromomethyl)-5-(difluoromethyl)pyridine-4-acetic acid
6-Chloro-4-(chloromethyl)-3-(difluoromethyl)-2-hydroxypyridine
Methyl 5-chloro-4-(difluoromethyl)-2-iodopyridine-3-acetate
2-Chloro-3-(chloromethyl)-5-(difluoromethyl)-6-hydroxypyridine