4-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-(Chloromethyl)-2-(difluoromethyl)-6-methoxypyridine
2-(Difluoromethyl)-5-iodopyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carbonyl chloride