2-(Fluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-3-acetonitrile
3-(Aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
2-(Fluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-5-acetonitrile
3-Fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid