Methyl 6-chloro-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
3-(Chloromethyl)-6-(difluoromethyl)-2-hydroxypyridine-5-acetic acid
Ethyl 4-chloro-3-(difluoromethyl)-2-iodopyridine-6-acetate
5-Bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-acetonitrile