2-(Difluoromethyl)-5-iodopyridine-4-acetic acid
2-(Difluoromethyl)-3-iodopyridine-5-acetic acid
5-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-(Bromomethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride