Methyl 2-(difluoromethyl)-5-methyl-3-nitropyridine-4-carboxylate
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