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