Ethyl 4-cyano-3-nitro-2-(trifluoromethoxy)pyridine-6-carboxylate
6-(Aminomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
Ethyl 3-cyano-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
2-(Aminomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-carboxaldehyde