2-Chloro-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-5-acetonitrile
5-(Difluoromethyl)-3-methoxy-4-nitropyridine-2-sulfonyl chloride
4-(Difluoromethyl)-2-fluoro-3-methoxypyridine-6-carboxylic acid
5-Bromo-3-(difluoromethyl)pyridine-2-sulfonyl chloride