Ethyl 5-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
3-(Aminomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-methanol
Ethyl 3-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetate
3-(Aminomethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-methanol