Ethyl 3-chloro-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-5-acetic acid
4-Chloro-5-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetonitrile
2-Chloro-3-(difluoromethyl)-4-nitropyridine-5-acetic acid