Ethyl 3-hydroxy-6-iodo-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 3-hydroxy-5-iodo-2-(trifluoromethoxy)pyridine-6-carboxylate
2-Hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine-2-carboxylate