3-Hydroxy-4-methyl-6-(trifluoromethoxy)pyridine-2-sulfonamide
3-(Fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
2-(Chloromethyl)-6-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
2-Hydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-carboxaldehyde