2-(Difluoromethyl)pyridine-5-acetonitrile
Ethyl 3-(bromomethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetate
3-(Difluoromethyl)-2-iodopyridine-5-acetonitrile
3-(Bromomethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride