3-(Aminomethyl)-4-chloro-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
4-(Bromomethyl)-2-chloro-6-(difluoromethyl)-3-methoxypyridine
4-Chloro-3-(difluoromethyl)-5-iodo-2-methoxypyridine
4-Cyano-2-(difluoromethyl)-3-fluoropyridine-6-carbonyl chloride