2-(Chloromethyl)-5-cyano-3-nitro-6-(trifluoromethoxy)pyridine
Ethyl 3-cyano-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
2-(Chloromethyl)-4-cyano-6-nitro-3-(trifluoromethoxy)pyridine
Ethyl 5-cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate