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