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
3-Fluoro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid