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