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