3-(Difluoromethyl)-2-iodopyridine-5-acetonitrile
3-(Bromomethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-(Difluoromethyl)-6-iodopyridine-4-acetonitrile
Ethyl 6-(bromomethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate