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