3-(Bromomethyl)-2-cyano-4-(difluoromethyl)pyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid
4-(Difluoromethyl)-3-iodopyridine-2-methanol
4-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid