Ethyl 2-(aminomethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 4-(bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-(aminomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-4-acetate
3-(Bromomethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid