Methyl 4-(difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-5-acetate
3-Hydroxy-4-iodo-2-(trifluoromethoxy)pyridine-6-sulfonamide
3-Hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-4-sulfonamide