4-(Bromomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carbonyl chloride
3-(Difluoromethyl)-2-(fluoromethyl)-5-iodopyridine
5-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-(Difluoromethyl)-6-(fluoromethyl)-4-iodopyridine