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