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