2-(Aminomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
6-(Aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Aminomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Aminomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxaldehyde