5-(Aminomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-(Fluoromethyl)-2-iodo-3-methoxy-4-(trifluoromethoxy)pyridine
5-(Aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(Aminomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde