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