3-Hydroxy-5-iodo-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-Hydroxy-4-nitro-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Hydroxy-5-iodo-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
2-Hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-4-acetic acid