Ethyl 6-amino-2-(difluoromethyl)-3-nitropyridine-4-carboxylate
4-(Chloromethyl)-6-cyano-3-fluoro-2-(trifluoromethoxy)pyridine
5-Hydroxy-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Amino-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetonitrile