4-Fluoro-3-nitro-2-(trifluoromethoxy)pyridine-6-acetic acid
3-(Aminomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-acetonitrile
4-Hydroxy-6-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Fluoro-2-nitro-6-(trifluoromethoxy)pyridine-3-acetic acid