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