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