4-Chloro-2-cyano-3-nitro-6-(trifluoromethoxy)pyridine
Methyl 5-bromo-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Chloro-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 5-chloro-2-cyano-4-(trifluoromethoxy)pyridine-3-carboxylate