Methyl 2-(aminomethyl)-4-cyano-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(aminomethyl)-3-cyano-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-fluoro-2-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate