4-Chloro-6-(fluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
2-Chloro-3-(difluoromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine
2-Chloro-3-methyl-4-(trifluoromethoxy)pyridine-5-acetonitrile
2-Chloro-3-(difluoromethyl)-5-fluoro-4-(trifluoromethoxy)pyridine