4-Iodo-6-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
4-Hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxaldehyde
4-Hydroxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxaldehyde
4-Hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxaldehyde