6-Chloro-4-(difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-5-fluoro-2-iodo-6-(trifluoromethoxy)pyridine
Methyl 3-cyano-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2,4-dibromo-6-(trifluoromethoxy)pyridine-3-carboxylate