4-Chloro-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetonitrile
6-(Chloromethyl)-3-cyano-4-(difluoromethyl)-2-hydroxypyridine
6-Chloro-4-(difluoromethyl)-2-iodopyridine-3-sulfonyl chloride
4-(Aminomethyl)-3-chloro-5-(difluoromethyl)-2-nitropyridine