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