2-Hydroxy-3-iodo-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Hydroxy-4-iodo-5-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Hydroxy-2-iodo-6-(trifluoromethoxy)pyridine-5-carboxylic acid