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