5-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-4-acetic acid
4-Fluoro-2-(fluoromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-Fluoro-3-(fluoromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Bromomethyl)-4-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine