Ethyl 2-(bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
3-(Difluoromethyl)-5-(fluoromethyl)-4-iodopyridine
5-(Bromomethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carbonyl chloride
3-(Difluoromethyl)-4-(fluoromethyl)-5-iodopyridine