2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
6-Hydroxy-3-iodo-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
6-(Bromomethyl)-3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine
2-Hydroxy-5-iodo-3-(trifluoromethoxy)pyridine-4-carbonyl chloride