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