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