5-Hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-4-sulfonamide
4-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-(Aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Hydroxy-2-methyl-5-nitro-4-(trifluoromethoxy)pyridine