Methyl 3-cyano-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-cyano-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-cyano-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
2-(Aminomethyl)-4-fluoro-5-(trifluoromethoxy)pyridine-3-acetic acid