2-(Bromomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
6-(Bromomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 3-(bromomethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-2-acetate
3-(Chloromethyl)-5-fluoro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine