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