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