3-Hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxaldehyde
6-Hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxaldehyde
6-Hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-3-acetic acid
2-Hydroxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxaldehyde