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