2-Chloro-4-(chloromethyl)-3-(difluoromethyl)pyridine-5-acetic acid
Ethyl 4-bromo-2-(difluoromethyl)-5-iodopyridine-3-acetate
Ethyl 2-(bromomethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-3-acetate
5-Methyl-2-(trifluoromethyl)pyridine-3-sulfonyl chloride